MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous links pointing to compromised CMS uploads and disposable hosting domains, a common tactic for distributing malicious content or conducting phishing campaigns. The ML classifier and ClamAV detection strongly indicate malicious intent, specifically identified as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://bfr-bialapodlaska.pl/userfiles/file/12905454829.pdf
- http://dlt-nkp.com/fileupload//file/37070907035.pdf
- http://slbreakingnews.com/ckfinder/userfiles/files/80316703249.pdf
- http://pantryscan.com/123cars/imagefck/file/88240540292.pdf
- http://lungshingcentre.com/userfiles/75451541957.pdf
- https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/1cf44a3c136199369658cb678fe6e5ec/96621393000.pdf
- http://angelojrobles.com/admin_initial_test/userfiles/file/17472093686.pdf
- https://tectrongim.com/uploads/files/dulupemigimu.pdf
- https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/0597ce15732031544304589578aeb257/95611495963.pdf
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16087668d7659c---vunikupevibowadowipidap.pdf
- http://goergenpainting.com/clients/0/0d/0d1038892961fdbf96b6a8e7e8daca8f/File/livor.pdf
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d8aa2219c9---13401969529.pdf
- https://thedestinbeachhouses.com/wp-content/plugins/super-forms/uploads/php/files/cd5b96eeebb60cb95b2fa941dd0330b9/46023113027.pdf
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16086fe9b0bd9c---tiwamatavazox.pdf
- https://yodobashi-church.com/lunivulose.pdf
- https://pasarantogel2.com/contents//files/10564688969.pdf
- https://cottonweb.net/userfiles/file/10838360699.pdf
- https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/918a91760e3d7bde9ba7120c8a46e7c5/vinexugalus.pdf
- http://nelly-design.ru/upload/files/43213521387.pdf
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/j6tnt1fjqim2e3saqc0pb7gp6i/bowesalu.pdf
- https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/2608b40ac72264dcd65673d56f396790/wubiwasuzipu.pdf
- https://area34.info/wp-content/plugins/super-forms/uploads/php/files/efv2fi5qgh3kogb2irrsgvi0s1/2324623351.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=5th+class+spelling+list
- 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_off0000f34f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF34F | 16792 bytes |
font_01_sfnt_off00010b66.bin28ad4c4f544f9dd43df1792c8bf727bbdf9dfaa7a08b60472fb76624b5ce4efc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B66 | 10472 bytes |
font_02_sfnt_off00012324.binad08c35d73a7686d1667deeda725301461822a9e9f32a104788137f851f1f187 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12324 | 17016 bytes |
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