MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to disposable hosting or compromised CMS upload directories, suggesting a link farm or redirection mechanism. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this, indicating the PDF is used to distribute traffic to various external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
Heuristics 6
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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 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 https://nomylo.ru/uplcv?utm_term=aphids+on+brussel+sprouts PDF link annotation
- http://gocreate.termall.pl/upload/fck/file/8717542547.pdfIn PDF document text
- https://wfbulgaria.com/uploads/wysiwyg/files/pipotemeko.pdfIn PDF document text
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609c8508388b5---benomidud.pdfIn PDF document text
- http://mamitobe.ru/files/file/luforajebemapusikinuzur.pdfIn PDF document text
- https://geneolock.com/locktactyuma/userfiles/file/75832968956.pdfIn PDF document text
- https://mygo.com/ckfinder/userfiles/files/kilipezenirubuvesowemigez.pdfIn PDF document text
- http://www.dogwoodagility.nl/ckfinder/userfiles/files/33529472203.pdfIn PDF document text
- https://la-klamm.org/Files/files/zaxalul.pdfIn PDF document text
- http://fitviewer.biz/files/file/fidegane.pdfIn PDF document text
- http://ibshop.gr/uploads/_uploads/files/77612062577.pdfIn PDF document text
- https://brahmagnanam.org/fck_uploads/file/xaraki.pdfIn PDF document text
- https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/f6ebd867c400a4f4e405f8285d81cb7d/vovivodedekizu.pdfIn PDF document text
- https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ede60c646f---kawizew.pdfIn PDF document text
- https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/e03848ee95276c2e66b0d13d37981694/siwajuwulosilatep.pdfIn PDF document text
- https://aradovan.com/userfiles/file/kifisutudoravetoxarumuk.pdfIn PDF document text
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607beaec0184d---mewowajimaxemiwimok.pdfIn PDF document text
- http://brilliantsolarpaneling.com/userfiles/file/70960967983.pdfIn PDF document text
- http://sivam.pl/files/file/28200821115.pdfIn PDF document text
- https://progin.swiss/ckfinder/userfiles/files/liweviz.pdfIn PDF document text
- http://placc.info/up_image/36558015801.pdfIn PDF document text
- http://gulfcoolcontracting.com/uploads/userfiles/file/file/sekinu.pdfIn PDF document text
- https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/07f2d7faed593d28d1a241fd73051114/kulixop.pdfIn PDF document text
- http://myblindz.com/fck_user_files/file/tukap.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/3ulc90cb5jgl5m12uv3a61ir51/28745181723.pdfIn PDF document text
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090d86a5c74a---mudodojefafelobipavaroz.pdfIn PDF document text
- 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_off0000e7b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7B0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ffc7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFC7 | 10548 bytes |
SHA-256: 0fa7307f481a4e71e7983c7850f8aef65da70cfe03033554e6a0b53989b9bc73 |
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font_02_sfnt_off00011787.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11787 | 17536 bytes |
SHA-256: b33a5aeb9659c927124e50472c32c576bbfd5ac82d38678588d9667f0aae8987 |
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