MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised WordPress upload storage and disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs, while some are marked benign, are part of a larger pattern of directing users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://gleneaglehoa.org/images/file/pujipuxidexetozupamexa.pdf
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607f6ffc16cb0---dewat.pdf
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606c6e282858f---jokokikawilusenarus.pdf
- http://guowangcable.com/d/files/95553621788.pdf
- http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085a2aaf3137---ravokinatazonupox.pdf
- https://www.chesapeake-lighting.com/wp-content/plugins/super-forms/uploads/php/files/543623f78b081ca181e8c68461e7e869/jekitanapu.pdf
- http://videoacceso.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b231d92525d---86586874703.pdf
- http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160899714aafcf---kiminosoruruvegajotoribal.pdf
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/160aa495166e19---tevigubetabulu.pdf
- https://englewoodgrassfarm.com/wp-content/plugins/super-forms/uploads/php/files/d199103c95dd6c208b6da2722774ef42/29573684907.pdf
- http://talk200.com/admin/admin/uploadfiles/file/4554926628.pdf
- http://cp-1.ru/userfiles/files/tibol.pdf
- http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/a46db912ddadd2fa7e3f04d613b9fb1d/31019400651.pdf
- https://makemycake.gr/wp-content/plugins/super-forms/uploads/php/files/qmagaavjrprvjll3s0qt4gn759/gajolodagu.pdf
- https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/br08shpq1n2koa16iv1vramipq/64046724938.pdf
- https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/b98a717f44dca53c5b931ea56cae3bfb/21423228963.pdf
- http://toonesk.com/upload/dikaranolitoruvipune.pdf
- http://mistral-paints.cz/userfiles/files/66370289499.pdf
- https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/d406a9feced44c80e650ac01e6259b3f/dusazes.pdf
- http://creativeindustries.ru/uploads/userfiles/file/borenirosi.pdf
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afcf9783af9---81828261645.pdf
- https://prana.video/wp-content/plugins/super-forms/uploads/php/files/k2mddip57r8cbfkt7m92rkd6bs/fojaz.pdf
- http://birnagarcollege.in/userfiles/file/buniwuberi.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=phd+position+cover+letter
- 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_off0000ebe1.bin34e7cea82157864f263fbe5d7b7578195469b701ca2fa060843552ec426f206e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBE1 | 17240 bytes |
font_01_sfnt_off00011830.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11830 | 16792 bytes |
font_02_sfnt_off00013047.binac3c116ae93e465166e09ace7f9e77a9343a9fdba5cc81f8fd0ddcc6dc05268e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13047 | 10516 bytes |
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