MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains a link farm pointing to numerous PDF files hosted on compromised WordPress sites, suggesting a phishing or malware distribution campaign. The presence of these links indicates an attempt to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://mattstergamer.com/wp-content/plugins/super-forms/uploads/php/files/eg67sciqc5k60p67m36ha5pf47/kijumaguleluvujuzuve.pdf In PDF document text
- http://expresskaliski.info/file/wukexolebebeki.pdfIn PDF document text
- http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160cd5f0b4d8a3---ruwedutadoter.pdfIn PDF document text
- http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c1d24b0f9db---rimekor.pdfIn PDF document text
- https://belhasasecurity.com/userfiles/file/vaxamuxeminadubariwal.pdfIn PDF document text
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16092c6df979a2---jitosonupuvafi.pdfIn PDF document text
- http://aucoindeshalles.fr/menu/file/13035875737.pdfIn PDF document text
- http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160d5f475bec4c---37793143885.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/b3s4ks5o1tl93hb2oqnuh93po1/3724470487.pdfIn PDF document text
- http://naturallabs.fr/userfiles/file/renokokitadulogines.pdfIn PDF document text
- http://ledson.ru/upload_picture/97611412104.pdfIn PDF document text
- http://dynamic1984.com/user_file/file/85676102241.pdfIn PDF document text
- http://fxmeat.com/upload/file/1b915b87063759c4b48a0af88c7b0826.pdfIn PDF document text
- https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/cc1006e6904c47475e42f0313e891510/pemedufosepusebuded.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/160baab705926e---93703204282.pdfIn PDF document text
- https://a2designbg.com/userfiles/file/nasofutagifibexagatatavi.pdfIn PDF document text
- http://mineraux-et-lithotherapie.fr/ckeditor/upload/files/83086355673.pdfIn PDF document text
- http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/366ee701ae884d78ed3a96c3e00af95d/gipobozuzonalefuzev.pdfIn PDF document text
- http://qazaqbanki.kz/data/content/files/3192686647.pdfIn PDF document text
- http://theettiaresottawa.com/clients/e/e8/e8f54e69a7463df9fd0adff13cd8e90f/File/fefukadefilim.pdfIn PDF document text
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c93eb4002a9---wanikizomukemivikiji.pdfIn PDF document text
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/1500f1e84f5e56eb12eb8fb4398bfef5/nikuwefezebit.pdfIn PDF document text
- http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160780e06dd38c---zofategi.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=88+nm+to+ft+lbsPDF 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_off0000cd9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD9B | 16368 bytes |
SHA-256: 98b77dfdab3648fa8a81650c7aefb234fe419d7cacbc1561c293c4c7b800c8ec |
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font_01_sfnt_off0000f828.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF828 | 10140 bytes |
SHA-256: e8e2e4e1a76171185b71a412f694d69613f7b9b391243e470226f89db03ae632 |
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font_02_sfnt_off00010eca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ECA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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