MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded URLs pointing to compromised CMS upload directories and disposable hosting, indicative of a link farm. Heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest this malicious intent. The ClamAV detection and ML classifier further support its malicious nature, likely as a phishing or SEO spam distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://allytemp.ru/uplcv?utm_term=mcq+for+class+9+biology+fundamental+unit+of+life PDF link annotation
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160c341a376f7f---jigorilazufasavaked.pdfIn PDF document text
- https://anna-bel.com/app/webroot/files/userfiles/files/bazuwewoxavobeterolore.pdfIn PDF document text
- http://baloneacessorios.com/_upload/file///49210215798.pdfIn PDF document text
- https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/cu2vike4o8vcs5hqh7hjtf86u2/zatowewotabukazukulamati.pdfIn PDF document text
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a0d925094a0---98641080187.pdfIn PDF document text
- http://newmob.it/userfiles/files/naxujuxazubupimupuxutelun.pdfIn PDF document text
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a14a4c6613f---70630912469.pdfIn PDF document text
- https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cd4bf8d99b---5271090800.pdfIn PDF document text
- http://coeb.eu/userfiles/files/14961368463.pdfIn PDF document text
- http://spencerrandlefamily.com/clients/864257/File/kebokaxilotag.pdfIn PDF document text
- http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c78e7e45a7---87005033522.pdfIn PDF document text
- http://churchontherockuk.org/home/churchontherock1/public_html/userfiles/files/kikijirim.pdfIn PDF document text
- https://csp-pub.com/stockages/files/powokobuganedunuwuri.pdfIn PDF document text
- https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/1442f3ff91e51a460510ececa6b4bf13/bazujivijiluxa.pdfIn PDF document text
- http://buffagiuseppeinfissi.com/userfiles/files/saremo.pdfIn PDF document text
- https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/920779116f288487a783fc7ea7135085/97636859909.pdfIn PDF document text
- http://gccde.com/downloads/blog/geust/files/56032362303.pdfIn PDF document text
- https://www.rougeindigo.com/ckfinder/userfiles/files/ziwakusimixas.pdfIn PDF document text
- https://www.m2asolutions.com/wp-content/plugins/super-forms/uploads/php/files/c4fccb9e11b794ff0a08cd574baa64b0/32171107258.pdfIn PDF document text
- https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/7c1a588cabf76e0dd70bfa79ae5d798f/98023225125.pdfIn PDF document text
- http://proxima-design.cz/files/file/vepofejevotis.pdfIn PDF document text
- https://alshamiltrading.com/alshamilfiles/file/lumen.pdfIn PDF document text
- http://xn----7sbabaajmdfbk3ddf3azka3b6a2r.xn--p1ai/ckfinder/userfiles/files/86937167861.pdfIn PDF document text
- http://ayurveda-shiatsu-nice.com/upload/files/domizifubawakomujelutebuk.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_off0000d9a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9A2 | 11480 bytes |
SHA-256: 062201731fd0881418924afe48a62cc87e30138a64db01052f91bfe8d94c1f27 |
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font_01_sfnt_off0000f45c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF45C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010c6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C6E | 17320 bytes |
SHA-256: 77e4ce3685589c4f0b7af37c654f97b9aeb593d9924aa7af806b1f45a7e83f39 |
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