MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a link farm. Multiple heuristics indicate the PDF contains numerous external URIs, many pointing to compromised WordPress sites and disposable domains, suggesting a phishing or malware distribution scheme. Although no scripts were explicitly extracted, the PDF structure and URI patterns strongly suggest it's designed to lure users to malicious external content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://wastran.ru/uplcv?utm_term=i+have+to+mow+the+lawn PDF link annotation
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16095e22508f9f---sinezawekitosunawodaruxud.pdfIn PDF document text
- http://transbur.ru/admin/ckfinder/userfiles/files/sixuwuzegef.pdfIn PDF document text
- http://matras-devison.com/upload/file/65258575080.pdfIn PDF document text
- http://akinmedical.com/uploads/file/baretuledivetetakovubi.pdfIn PDF document text
- http://xn--80aab8aioy.xn--p1ai/userfiles/file/28179961827.pdfIn PDF document text
- https://gbagencement.fr/uploads/file/nelutabogikezadanekutila.pdfIn PDF document text
- https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/cor1qu3soi3mcr47ihqr25jama/sobememisukanelesa.pdfIn PDF document text
- https://mimpishio2bet.com/contents//files/sugukazufopinozadabadife.pdfIn PDF document text
- https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/kapanfcnnipeevdek5jnecgd5h/6187409074.pdfIn PDF document text
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/b67bfd5a204b02c21b1e1d3f34a143cb/fojanojopaxosuxada.pdfIn PDF document text
- https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/16073a06003a2b---30820671593.pdfIn PDF document text
- https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/f3f9263704f1038b845480190011165f/xuvazosesugexexad.pdfIn PDF document text
- https://milliondollardesiclub.com/upload_files/featured/files/5613022113.pdfIn PDF document text
- https://easypayindia.in/userfiles/file/96714314722.pdfIn PDF document text
- http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1e222cad8---54022526948.pdfIn PDF document text
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/f87986ad0dbd268bab79a5b2b19657ab/bigijisopu.pdfIn PDF document text
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160881c4ba901e---rekejagibutanubatizitefal.pdfIn PDF document text
- http://escuelasfutbol8.com/docs/files/1957112662.pdfIn PDF document text
- https://rclurie.com/wp-content/plugins/super-forms/uploads/php/files/79c74b95ea6c9e27e788280b425c608d/30518023964.pdfIn PDF document text
- http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606f349b4344d---92211528904.pdfIn PDF document text
- https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/os2fqlrcbms8i2nfho4vr0tmj6/vudofijawiwenevipatutona.pdfIn PDF document text
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608283c193bd5---94532834347.pdfIn PDF document text
- https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/64279f7a7fe7ef586b571805d7714b6b/30858385302.pdfIn PDF document text
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fe349e2272---bagijutokamefozoni.pdfIn PDF document text
- https://benjamindreyer.com/wp-content/plugins/super-forms/uploads/php/files/17051c55e1b0f3663158b17e0ba9f06a/53310371358.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_off0000f347.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF347 | 16780 bytes |
SHA-256: a6948a18850655cb1274902820278ce693d8b0718dae1be4cf23663d77d291e8 |
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font_01_sfnt_off00011efa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EFA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013711.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13711 | 10116 bytes |
SHA-256: 696cb7bf4a7c5cafc56df5b4d17dc385abe9fa1eff854ec18764c6653816d3e1 |
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