MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous links to external websites, many of which are hosted on compromised or disposable domains, suggesting a link farm or phishing lure. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this. No scripts were extracted, but the overall structure and URL distribution point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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 http://aivieksteslaivas.lv/userfiles/file/61377671515.pdf In PDF document text
- https://schmitz.cz/res/file/27279468493.pdfIn PDF document text
- https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/6dshubnn378cltckdgqeglk5t6/fivazatutegiko.pdfIn PDF document text
- https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/1606d502dd40fe---56471952734.pdfIn PDF document text
- https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/70e10f6bd9caa2b30188a8f7f5f6ed38/8948163265.pdfIn PDF document text
- http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b00ebd80a10---39886494158.pdfIn PDF document text
- http://hzzxtl.com/UploadFile/file/20210625094141927.pdfIn PDF document text
- http://bugaboo-buffalo.eu/UserFiles/File/kisoz.pdfIn PDF document text
- http://xn--90aoaidn.xn--p1ai/ckfinder/userfiles/files/mitajuxevub.pdfIn PDF document text
- https://west-holding.com/userfiles/file/96322441051.pdfIn PDF document text
- https://weeb.nu/userfiles/file/81856906105.pdfIn PDF document text
- http://heureka-cz.eu/files/10835942059.pdfIn PDF document text
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba90fe6f86b---95199493066.pdfIn PDF document text
- https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/1db9f93877002c010534824cb5104239/moxadepanawatu.pdfIn PDF document text
- http://exosportsante.fr/ckfinder/userfiles/files/bokegolusaguwa.pdfIn PDF document text
- http://www.rkcomdesignservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160719560f177b---8660476988.pdfIn PDF document text
- https://www.studioline.ie/ckfinder/userfiles/files/2238771497.pdfIn PDF document text
- http://residencecarlofelice.com/userfiles/files/gopomomu.pdfIn PDF document text
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/1611197499f55c---18387239694.pdfIn PDF document text
- http://agendatourvietnam.com/hinhanh/file/89677770558.pdfIn PDF document text
- http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8f4a13d5e4---sezug.pdfIn PDF document text
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160bbc667b7e19---32173182462.pdfIn PDF document text
- http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/ce59697872f3c4ef2cff2dad262dc462/nimubizunisigawijexofaf.pdfIn PDF document text
- http://gleneaglehoa.org/images/file/41541108808.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=sherry+turkle+alone+together+pdfPDF 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_off00010bd3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BD3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000123e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123E5 | 17892 bytes |
SHA-256: 9d9a35af9c8a45c79a408f3477eaf8eaa7db6da396aaa22c313c765b9d5be401 |
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font_02_sfnt_off000151a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x151A2 | 10900 bytes |
SHA-256: ed211b5e78e1a19c6bfe6ff412d0324a64e6bbe995cb557d1d17450135774334 |
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