MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, with numerous URLs pointing to compromised CMS upload storage and disposable hosting, likely serving as a lure for phishing or malware distribution. The embedded URLs and the nature of the link farm suggest an attempt to exploit users by directing them to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://garglob.ru/uplcv?utm_term=sun+is+a+renewable+resource
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b85a2b395c0---66046696215.pdf
- https://www.cpro.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607af95ae80a9---93037150986.pdf
- http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ab271d1a11---pozadipotuzorivutoku.pdf
- https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/t3dh3f4ap8bsdj6c8obt3ii1tl/89035335016.pdf
- https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/94adb5e53d41ddb8aca304bbd01c8782/tujituwabasekubemunaw.pdf
- http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609884a5821fa---77176049950.pdf
- https://www.mysmilestudios.com/wp-content/plugins/super-forms/uploads/php/files/9627a54117f76c6c435fc46f3b06d28e/95035898286.pdf
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d7192729e6f---98638193272.pdf
- http://takeacode.eu/user/d41d8cd98f00b204e9800998ecf8427e/file/15287521874.pdf
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16098a6784cb2a---xezododibede.pdf
- https://jnfarley.com/wp-content/plugins/super-forms/uploads/php/files/56oel8u57rq221csperu0p1er4/97553568084.pdf
- http://ndt-tl.ru/upload/file/73922404322.pdf
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160794e3d5743f---10876246932.pdf
- https://invest.pl/userfiles/file/62531047856.pdf
- https://taechoclub.com/FileData/ckfinder/files/20210626_5B883552BEEEF467.pdf
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/9aacfbfcb0fa23972c41579e12aa893b/88283050299.pdf
- https://harrisitalia.it/uploads/file/79128270194.pdf
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607a93bfc4937---8249458699.pdf
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/160c8715ca5568---nuxajogewikebokubi.pdf
- http://www.lauricedale.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16093cdfa82f8f---22266272951.pdf
- https://svetpoznaniyaonline.ru/wp-content/plugins/super-forms/uploads/php/files/6ca63dec0c332c42bc3c3bb612ab5915/11953428719.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2381754beb---fuvolevitigam.pdf
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608467a66af97---ralizet.pdf
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/160bbba1c75e72---gikadadabigojir.pdf
- https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084ed4720f25---fefilopijezatuzemamunuz.pdf
- http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/fb3e8c23b72b4bbca287093a1ab2b82b/6383402166.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_off0000fac4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAC4 | 16792 bytes |
font_01_sfnt_off000112db.bin61536a945eeaac0f1f75a781e0dc17b161bb7586a6483fd08579ed610d27058d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112DB | 10524 bytes |
font_02_sfnt_off00012af4.bin74a038e3e2935649cb035e6caaa2f77aeb4efcb530b115e0fb4cb650708029a5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AF4 | 17912 bytes |
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