MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many of which are hosted on compromised CMS uploads or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of PDF_RANDOM_URL_LINK heuristic further supports the malicious nature by pointing to an algorithmically generated URL, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9902
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://glamour-nsk.ru/ckfinder/userfiles/files/rosofipas.pdf In PDF document text
- http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa314ba3427---bexitadujive.pdfIn PDF document text
- http://sobsai.com/ckfinder/userfiles/files/bijawuwodizodavawedan.pdfIn PDF document text
- http://e-hematologica.com/users//file/raxuwelabibijefugonunix.pdfIn PDF document text
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089f4b96c6d5---7708144954.pdfIn PDF document text
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096749b45cd9---wawavivekoviremuvawuj.pdfIn PDF document text
- http://nct-vn.com/userfiles/file/8500788658.pdfIn PDF document text
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16089d5d4540a7---40512968991.pdfIn PDF document text
- http://benefielddarrenfordhicksunited.com/clients/2/21/2186b72972973349411f8b90e6071e14/File/62557021644.pdfIn PDF document text
- https://neavocats.com/wp-content/plugins/super-forms/uploads/php/files/3e5a3ee4316da1e80cd5da9147298cb4/40834841964.pdfIn PDF document text
- http://year-c.com/upload_fck/file/2021-8-1/20210801130835136197.pdfIn PDF document text
- https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/5vbd7ort1obv0pjv4pc2arrb66/95744606047.pdfIn PDF document text
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608bd20450c94---57894011473.pdfIn PDF document text
- http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/622df717ca793be9222f43181ee35592/tefoxufuwefumoduvod.pdfIn PDF document text
- http://southfieldhigh1973.com/clients/2/27/27a5067865c8334ad4a5a1fd7642c928/File/27415196962.pdfIn PDF document text
- https://www.dolphinrfid.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607749d5ae0e2---7125137987.pdfIn PDF document text
- https://astek-telem.fr/userfiles/file/30301542633.pdfIn PDF document text
- https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/bea8dc5743c1ed67df2d10aea57bc7f9/fajagutaxagepesekapod.pdfIn PDF document text
- http://awkontrakt.pl/ckfinder/userfiles/files/zufikifuxularemibileda.pdfIn PDF document text
- https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/817f15e7142ba994304d44aa5e0a5abc/50063934693.pdfIn PDF document text
- http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160bb19fd0399c---18930236676.pdfIn PDF document text
- http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/1607100fde046a---vutepagugobezevapevezami.pdfIn PDF document text
- http://dabaizhongxue.com/upload_fck/file/2021-6-9/20210609122707370329.pdfIn PDF document text
- http://thanhlapcongtykiengiang.com/upload/ck/files/lelob.pdfIn PDF document text
- https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/evrqc6pstg8ucc8gkcodkbir94/saviwi.pdfIn PDF document text
- https://designcoordinators.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d0b881d926---73024536831.pdfIn PDF document text
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/deae7026f97eccb3fcf16d7f6e1e2911/78362142610.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=is+drawing+from+right+side+of+brain+good+redditPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00012b9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B9F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000143b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x143B1 | 17356 bytes |
SHA-256: 2d67bd3d55bb078ba3949d5241131e4fa56e5b990b6df1474a1fd5666f20c401 |
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font_02_sfnt_off000170f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x170F9 | 10932 bytes |
SHA-256: ea1990bf8ec4cf27ca13efa6d7f1f1b087ef56cdaedf582e96a36e4bf6512e68 |
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