MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised CMS uploads or are part of a link farm hosted on disposable domains. These links likely serve to redirect the user to malicious sites, a common tactic for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://starke.ca/clients/84205/File/76108088376.pdf In PDF document text
- http://broadviewlibrary.org/uploaded_bvlib/file/99067251363.pdfIn PDF document text
- http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab3d0027ba5---munosiviwigepig.pdfIn PDF document text
- https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/ac9fcbc516aeb4cf817b401b2d04c106/larugaxuwopufuzo.pdfIn PDF document text
- https://jennysbooks.com/wp-content/plugins/super-forms/uploads/php/files/e1985c48eac3def3466779c3c1b13f86/taloji.pdfIn PDF document text
- https://lienlacanien.com/img_pages/file/26527864863.pdfIn PDF document text
- http://akcjonariusz.com/UserFiles/file/78382231666.pdfIn PDF document text
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c59b8506c47---84458922336.pdfIn PDF document text
- https://bamor.org/userfiles/file/dizilixus.pdfIn PDF document text
- https://fonixkoncert.hu/upload/file/27187809431.pdfIn PDF document text
- http://lesen-und-schenken.de/userfiles/files/vufujunuxotuguwimiwiveje.pdfIn PDF document text
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/160924e2435e70---99880001779.pdfIn PDF document text
- http://0vote.com/ckfinder/files/tawobobaxurub.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/38c0d134c83cbe2f084e1b5fd2b91562/95288479044.pdfIn PDF document text
- https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/6plsqi0buqr8khjp3km754cv8r/megarezepagidebu.pdfIn PDF document text
- http://eksan-ltd.com/userfiles/file/zomugesifenufudipabusarox.pdfIn PDF document text
- http://xn----9sbkvfu2aex3d.xn--p1ai/ckfinder/userfiles/files/forerebizujafaxamuvenige.pdfIn PDF document text
- https://hotellemaritime.com/hotel/upload/files/94219509287.pdfIn PDF document text
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160985f04270f4---nupalen.pdfIn PDF document text
- http://blueyee.com/upload/file/022221089032.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=moderna+gram%C3%A1tica+brasileira+evanildo+bechara+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_off0000bcf2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCF2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d509.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD509 | 11448 bytes |
SHA-256: 89a1ef74ec6b977678f20d54249cb232057d569a8989f11880efce5d89d556bb |
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font_02_sfnt_off0000ef0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF0D | 18200 bytes |
SHA-256: c407bb0c596491c52dc27f61e8adfca0b7762f0f5cc0a931259a24a3076058c1 |
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