MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to numerous websites, many hosted on compromised CMS uploads or disposable domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to lure users to malicious sites via a spearphishing attachment. No scripts were extracted, but the structure and URL patterns are indicative of a downloader or phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9848
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 http://a-kamen.com/userfiles/file/64678454572.pdf
- http://networkinglikepro.com/ckfinder/userfiles/files/37650273563.pdf
- http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b33d8caa160---91702699608.pdf
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/16085063315e79---77013560436.pdf
- http://fontanarosaserigrafia.it/userfiles/file/kaxobilofagipel.pdf
- http://lacasedescaraibes.fr/file/72737337804.pdf
- http://kaitosushisb.com/uploads/files/41813278659.pdf
- https://bandotrading.com/uploads/file/37974595889.pdf
- https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/11fdb6fef6bbcfe6bb762fa919ce5c61/52457519388.pdf
- http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/1d34n18iekhgb3oud7odag43pg/viwexanulomarezafodetef.pdf
- http://nwatchonline.net/userfiles/file/buvetigitogoki.pdf
- http://asesorgubernamental.com/images/file/bagolebubijexa.pdf
- https://stvorki.ru/files/file/fizivepur.pdf
- https://lightingsystemscol.com/wp-content/plugins/super-forms/uploads/php/files/cfa0a63be4b895b92ce1b9a5f65d2583/42475271555.pdf
- http://mosjob.ru/images/file/29985765342.pdf
- http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16072b04bef131---resipekapitewarof.pdf
- http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b79608dcd7b---9918551341.pdf
- http://sake2metustin.com/uploads/files/33636461452.pdf
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a6f146b68cb---fexadalobuvosavodatitoza.pdf
- http://sarljarry.fr/userfiles/file/35713709601.pdf
- https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/ehl9ml712bjhsqdkukugph7lcf/77325979666.pdf
- http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1606fd151394de---roxuzarivixijax.pdf
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5b9927665c---52055964264.pdf
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1d8a36c0bc---miporug.pdf
- http://arslanemlak.com/E/file/51163894452.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbf21d36e37---18763703363.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=played+with+crossword+clue
- 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_off0000eed7.binde96726dc172396bc828b15d8826e03f9d2f3a1c6e2d63fa9d45760b4e45f6be |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEED7 | 10664 bytes |
font_01_sfnt_off0001077e.bin3a466086e3a08caae9b290e2dbe501072e1a196330ccef055ee5359bb0c1d568 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1077E | 17104 bytes |
font_02_sfnt_off000133e1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x133E1 | 16792 bytes |
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