MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of embedded URLs, many of which point to compromised WordPress sites or disposable hosting. The ML classifier and ClamAV both flagged this file as malicious, indicating a phishing or trojan-like behavior. The primary function appears to be redirecting users to potentially malicious content through a link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://marinda.ru/pics/images/file/90474587396.pdf In PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16081f90de5d5c---jukidekamaditofan.pdfIn PDF document text
- http://www.pzkexie.com/up_files/file/27730211439.pdfIn PDF document text
- http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a28d318d7a4---75290693962.pdfIn PDF document text
- https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/6tdb705m66vj49q8csej8d3hi7/mobat.pdfIn PDF document text
- https://www.apartamentselsllacs.com/wp-content/plugins/super-forms/uploads/php/files/hgkfg3t4hn8lgm5ijeh3629fun/62596463099.pdfIn PDF document text
- http://elturo.ru/img/upload/files/tulovagexagonipuwegirixu.pdfIn PDF document text
- http://terapeutickemasaze.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16080598a58690---6125931150.pdfIn PDF document text
- https://krassimirtaskov.com/userfiles/files/kipologanowinepa.pdfIn PDF document text
- http://chroscina.com/userfiles/file/ditifigajot.pdfIn PDF document text
- http://www.lebedosapartotel.com/data/yukle/files/67469509832.pdfIn PDF document text
- http://usateatop.com/_upload/files/beliz.pdfIn PDF document text
- http://fittbike.hu/files/file/47731288878.pdfIn PDF document text
- https://gulceoyunlar.com/calisma2/files/uploads/vitotig.pdfIn PDF document text
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/49afcd011c397eb6aa71fec3c640a66a/japitujivikikozanarosota.pdfIn PDF document text
- https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/3051c30190f53ad991249990c09d4247/43915298801.pdfIn PDF document text
- https://jjcfurnituremaker.com/userfiles/files/1638366588.pdfIn PDF document text
- https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/df039b6245bb0497138cf37361f11309/tigupufijozolojebavoguma.pdfIn PDF document text
- http://massvt.sk/editor_uploads/system/files/najinufikerukipuf.pdfIn PDF document text
- http://sequoia59.com/clients/867919/File/64007937552.pdfIn PDF document text
- https://skatrip.com/basefile/skatripcom/files/xiwuzobebozeguregiwatos.pdfIn PDF document text
- https://lion-trading.co.uk/wp-content/plugins/super-forms/uploads/php/files/mqevl1msqei31vngtgf3mjor42/48618175569.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=the+witcher+season+release+datePDF 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_off0000ef7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF7A | 10516 bytes |
SHA-256: fd855184cb29fad4f829e2200938c318b66eaf6d5026c735de1b400176a2f9d3 |
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font_01_sfnt_off0001077b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1077B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011f8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F8D | 17632 bytes |
SHA-256: 5b3a72fd484edd209e6b7a20b1d396843e4008b17186c9c9925b251a94162e89 |
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