MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document flagged by ML classifiers and ClamAV as malicious. It contains numerous links pointing to compromised WordPress sites, specifically within form upload directories, suggesting a phishing or malware distribution scheme. The presence of embedded URLs and the nature of the heuristics indicate an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb65a9d11a---87315763009.pdf
- http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b31e9b23697---5553593934.pdf
- http://wf515345.tw/CKEdit/upload/files/fezazazodowubeguru.pdf
- https://pilotcenter.gr/wp-content/plugins/super-forms/uploads/php/files/mv328stj8hn89il3vuc9f5lpd3/ruretazekigafabegos.pdf
- https://dusunceokulu.net/resimler/files/67222265325.pdf
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b1d4a9a8990---36034573653.pdf
- https://gearforfree.com/wp-content/plugins/super-forms/uploads/php/files/tfrki9plp8v74injnmavdfu7jf/muxovadoxaki.pdf
- https://ccaquebec.com/userupload/files/pufipozosibolup.pdf
- http://daydala.com/userfiles/file/latomosefisawinonowokozu.pdf
- https://kuzeyilac.com/resimler/files/zejozabenuza.pdf
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d9dc806392---bofidamenisukesapinen.pdf
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d9d50a51ed---dewiwowuxojetinewi.pdf
- http://daotaoyduoc.org/wp-content/plugins/super-forms/uploads/php/files/t5mun1ade4te49iekorp0kpfh7/jamedulegofawep.pdf
- http://canxetaianhduc.com/images/file/79769439864.pdf
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b6777487de0---92142740894.pdf
- https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af82010ce44---jasotexosazafadosogan.pdf
- https://canadiancontractorservices.com/wp-content/plugins/super-forms/uploads/php/files/khqeff2c7v47lb8oijqrg0ev16/zejewawulizotas.pdf
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/b023d54bf92fd8f17a2685501e58e2be/18479220393.pdf
- http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090f243120dd---wabadonazesitifamir.pdf
- https://bandotrading.com/uploads/file/warosoje.pdf
- http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/r72113vil1bv6l2t6g0952o8cg/38870385595.pdf
- https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160e03f4c770c1---vikezi.pdf
- http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609412477e103---xiduxituxane.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=35+pounds+in+ounces
- 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_off0000e9d0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9D0 | 16792 bytes |
font_01_sfnt_off000101e7.bin40563ffead645e711376c41809d0b09db96928a6c7cc701664888ae607ee6fd3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101E7 | 10408 bytes |
font_02_sfnt_off0001198b.bin3cde1e97a6b12a5609fe5f127b398b35b51395f5d01372dd431ad4beb505eae0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1198B | 17160 bytes |
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