MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm directing to multiple compromised websites, many of which host other PDFs. This suggests a phishing or malware distribution campaign. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to delivering further malicious content or phishing attempts.
Machine Learning
- Nyx PDF Classifier malicious score 0.9788
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://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/0a75f0921b0b23306dc5caa8f178793f/25833525273.pdf
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16074ffead0ab0---varelesinekivime.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a4533c1ae9a---tabaz.pdf
- http://wccflooring.com/userfiles/files/85948284242.pdf
- http://7tec.ru/userfiles/files/mexumanuvepumobolirul.pdf
- http://samnakthodrahassob.com/userfiles/file/meloludofukedusexuwawuleb.pdf
- https://sportsht.com/userfiles/file/zugesulewegoribo.pdf
- https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/93c44241e0aa05b06d0e309aec20f428/85785586753.pdf
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/kaitarjed1nqakg5stddqqvhl1/11837858400.pdf
- https://etre-cheval.fr/Applications/MAMP/htdocs/etre%20cheval/news_pix/file/5288736151.pdf
- http://indago-rovigo.it/userfiles/files/lalomevomux.pdf
- https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/5d9fc89e2b1fb4cc804a969aca206391/laliwizuvex.pdf
- https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/134d6aaf22c2d2b2ae2d68403efb8767/7418869789.pdf
- http://luingpyrex.cz/foto/Image/file/26783643922.pdf
- https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160886c7f24d5a---jajetirurivavojuxum.pdf
- https://minipowerpack.net/upload/files/judotanelajode.pdf
- http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/o53pcrna6ok7ou36b6dqjnirmu/zalugara.pdf
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c39eba5a969---72482454354.pdf
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1586556291---lunofo.pdf
- http://sooclose.eu/upload/File/95080238195.pdf
- http://nadiadsa.org/userfiles/file/zewisigudojuwodotitav.pdf
- http://dongphuctqueen.com/upload/files/58798388514.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=entanglement+meaning+in+english
- 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_off00021499.bin9fc4adf05be99ba94f6c9714e81f71f84bd824bf50d5ec5f1123f813e28a211d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x21499 | 16140 bytes |
font_01_sfnt_off000229f6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x229F6 | 16792 bytes |
font_02_sfnt_off0002420d.bindc484e7b95b4f9fcb500bf8830ec20acafeb50f3730df38950b7952f14161df0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2420D | 10316 bytes |
font_03_sfnt_off0002590d.bin4d79438fce4e9943464b7213f23b514088f2ca0bf5bbf0446760f5a0ba4ee355 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2590D | 24304 bytes |
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