MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a ClamAV detection for 'Pdf.Phishing.Trojan'. It functions as a link farm, containing numerous embedded URLs that point to compromised WordPress sites. These links likely serve to redirect users to phishing pages or download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9909
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://catamma.ru/uplcv?utm_term=the+definition+of+most
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/sduouve1e6splu4c1uu175knjn/70673067181.pdf
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/58f421af4b13ea3737a8f59f4b590dc3/lupawazepipoxeluri.pdf
- http://harasim.cz/uploaded/files/33962890129.pdf
- https://bjsteelvietnam.com/upload/fck/file/62826410961.pdf
- https://terravistahometeam.com/wp-content/plugins/super-forms/uploads/php/files/b09e03f39ad66bf1c9d680663eecc2d9/3368790809.pdf
- https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/6ae02266399ff117023165e5defa8098/gimamofideduzival.pdf
- https://area34.info/wp-content/plugins/super-forms/uploads/php/files/p36v179ghmhcd1pfbm9i7kage4/zigarudevamuxuvepegobi.pdf
- https://akarchlight.com/wp-content/plugins/super-forms/uploads/php/files/9063fc8623792528f90c6e8eb5ba9cc1/vupuneja.pdf
- http://inglewoodreunion.com/clients/68690/File/68518032495.pdf
- https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/7c23f3b4f0e9826442b07ab3ce8d1c67/gawubewaxovolotoraraxoze.pdf
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/c3s31upodqvd12aeatogs1607b/44234794262.pdf
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f315f87db4---66666887821.pdf
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160803f0627f8c---gikutamisiditotiguv.pdf
- http://myexamadvisor.com/fck_uploads/files/68871002883.pdf
- https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/0c2306b097c42efe5f2122fa0ae9ad0f/verunevujos.pdf
- http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c96e723494e---woronipimaletipute.pdf
- https://activepymes.com/pub/file/sezim.pdf
- http://bangkoksolarpower.com/syner_upload/images/files/92924224914.pdf
- https://lesartsdansmonjardin.com/userfiles/file/20210603034720.pdf
- https://bonafideonline.com.ar/wp-content/plugins/super-forms/uploads/php/files/7873a3365d5bc1d96b58a21c44778642/mapejifad.pdf
- http://go-trec.com/wp-content/plugins/super-forms/uploads/php/files/hq0qm6i9j2b1itti8k5bv9tbca/lasaretudapiwidedatapimar.pdf
- https://olmitek.by/wp-content/plugins/super-forms/uploads/php/files/0uo9c2gds60f94rtph38soqge2/lonesi.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000103b9.bin010e582837a356ffdfe234a2fd33b2a0df8099d6f7a01ea406a9ae858d1cf2b1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103B9 | 18084 bytes |
font_01_sfnt_off000131ee.bin0e53fa2b64e9452fa5c7417e4f87d59cc63cd0f1f66bfb3205e9d17ea13a3b96 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131EE | 10272 bytes |
font_02_sfnt_off000148dd.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x148DD | 16792 bytes |
font_03_sfnt_off000160eb.binaf89b69867414109db516042b72d54a5483365511b70484a470f4fa9332f3061 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x160EB | 10348 bytes |
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