MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to compromised WordPress upload directories and disposable hosting, suggesting it is part of a link farm designed to redirect users to malicious content. The presence of a 'download button' heuristic further supports the lure aspect of the attack pattern. While no scripts were explicitly extracted, the PDF structure and URL patterns are indicative of a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://laborke.ru/uplcv?utm_term=antenna+and+wave+propagation+notes
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc6eb185e04---24699007837.pdf
- http://shinies.ru/img/lib/file/74106260406.pdf
- https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/b54737cb8bc860bbca97b2e58fa1b037/motarodufizabeg.pdf
- https://alutat.com/data/file/47384312509.pdf
- http://parbatsamajjapan.com/img/files/files/44042132734.pdf
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bd97e937d9d---fifotupafoxokofumijipuwe.pdf
- http://www.anjhimayath.com/upload/file/wowewugaf.pdf
- http://absigorta.come/file/gukedove.pdf
- http://bularz-auto.pl/images/userfiles/file/13456287455.pdf
- https://spectrumohio.com/wp-content/plugins/super-forms/uploads/php/files/ebbea0041191dc2b09b08c504233dae0/262998698.pdf
- http://www.darvidproperty.com/news/file/rabux.pdf
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1609e05a25bc82---49059160369.pdf
- https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/9fo16iu8diddaidoavpjrt1fqf/2482942048.pdf
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/160bd666d01b83---bulirit.pdf
- http://kimhoatra.com/upload/fckimagesfile/lilodemuv.pdf
- http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607e4f4b2e8c5---48783971471.pdf
- https://blueridgelightingandcontrols.com/wp-content/plugins/super-forms/uploads/php/files/42bc80d3a34a938c93a8f2da4bfaadd1/wawikusabugerevowuvasufet.pdf
- https://chpcentre.com/files/file/81657476615.pdf
- https://styliststudios.com/imagesTE/file/15203124973.pdf
- https://eyestech.in/wp-content/plugins/super-forms/uploads/php/files/i8vmeu0045pipcsvc6prth1t6c/44787808441.pdf
- https://cakenepal.com/userfiles/file/94299407906.pdf
- https://chefinhogourmet.com/wp-content/plugins/super-forms/uploads/php/files/640bc433dfae59cd8bfc3463f1036925/47265954752.pdf
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d9315a7a374---43815231070.pdf
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160827670eebdb---penusodijibajiruduzene.pdf
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/16071bc0a6874d---23167186218.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eed7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEED7 | 16792 bytes |
font_01_sfnt_off000106ee.bin6479b3fa232b390f189686c1476edd666984ff8da8a4ae65ba980b2f451f441a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106EE | 10656 bytes |
font_02_sfnt_off00011f57.bin17261ecdffd01f5ea768a27fe02f04b82fbecf4aa5c288acc9f28be237956a2e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F57 | 17784 bytes |
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