MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
The PDF document contains numerous links pointing to compromised WordPress sites, which in turn host other PDF files. This structure suggests a link farm designed to obscure the ultimate destination, likely a phishing page or a malware download. The ClamAV detection and ML classifier strongly indicate malicious intent, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9954
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 https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/1ce7498f61ce96a01c1f70b90377f986/55796356925.pdf
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160762d4d73462---24735890167.pdf
- https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/lidejozotepoxozexumara.pdf
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c67ccf0b81c---96675173735.pdf
- https://nadinerogger.ch/userfiles/files/38261403508.pdf
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/32874f243e61319143f3d8f10ed325bf/46203645955.pdf
- http://hudsonohiohighschoolclassof1980.net/clients/7/7d/7d4b1ad73701457990394555a34ab01f/File/48307451625.pdf
- http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/f125d2894649138c58497d6f68259304/9751815614.pdf
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076143322c51---35268812383.pdf
- http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078b4f1b4ce2---6592277295.pdf
- http://svatba-emi.com/uploads/pages/files/fubutotamopozow.pdf
- https://habibitours.com/ckfinder/userfiles/files/sonukikifilijifati.pdf
- http://apartmaji-zunicmile.com/uporabnik/file/97003846590.pdf
- http://arcomproltd.com/userfiles/file/pijulinekog.pdf
- http://www.rpv-drachten.nl/files/file/75934096525.pdf
- http://frangarcia.eu/upload/file/fobuzoba.pdf
- http://mindatpeace.us/uploads/files/34217033501.pdf
- http://costruzionibulagna.it/userfiles/files/kubemezari.pdf
- https://anmoul.com/userfiles/file/47988340296.pdf
- http://cristal-in.fr/userfiles/file/75645389975.pdf
- https://prtl.pl/userfiles/file/gokudogane.pdf
- http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099820b1ebb1---purejugakirip.pdf
- http://adaviestransportltd.com/userfiles/file/zuvupowitopapilagomuk.pdf
- https://betalinktech.com/blmedia/file/nakijoniwosabetalutimi.pdf
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16074d1fa26747---12840119562.pdf
- http://coss-wynn-reunion.com/clients/d/db/dbe3622004495b304d8703879a486b7d/File/firipate.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=proform+hybrid+trainer+xt+elliptical+reviews
- 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_off0000f63e.bina601808e75fb3ca3af360974dbc020bb6f118f2a080000c433db706f42e9ed56 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF63E | 17308 bytes |
font_01_sfnt_off000123dd.bin92a7636d68b680fab39e5e838e7d2e26d5293d087ddaee5cc443ab9943516766 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123DD | 11392 bytes |
font_02_sfnt_off00013e6c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E6C | 16792 bytes |
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