MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to compromised WordPress upload storage and other disposable hosting, indicative of a link farm used for phishing or malware distribution. The ML classifier and ClamAV detection strongly suggest malicious intent. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure and URL analysis point to a malicious link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9937
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://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/160aba6dc5882e---kurefaxuruxe.pdf
- https://www.eoluk.com/wp-content/plugins/super-forms/uploads/php/files/jelki3mub1da5kdh24n63t7d6r/35759814424.pdf
- http://afgventuregroup.com/cfiles/file/38487543990.pdf
- http://dioceseofniranam.org/userfiles/file/59011455105.pdf
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/f9293dc9f282154b446b1dcdae8a464a/tigupematefazuwomi.pdf
- http://zulassung4you.de/bilder/file/rusanir.pdf
- https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/t2lmbmcgqv95vdlmed3ld5m6d8/gixekifamotaku.pdf
- http://dvarenda.ru/upload/file/32496863518.pdf
- https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/160b7b5c287046---45941000408.pdf
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/4vt181v74nsmhs0mm8ka5s5hhc/15629717502.pdf
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac107094eb0---libipapanepilupadup.pdf
- https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/oi0ijhcac3208eqdpu9utv7824/93508718062.pdf
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608c8c7a93be0---47136543485.pdf
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/i7th7varbvuog45drfguspapnr/37123366844.pdf
- https://www.vedaaz.com/wp-content/plugins/super-forms/uploads/php/files/015dc79084605343647e48d69587d1d5/kafezipevilazub.pdf
- https://vuaship.com/wp-content/plugins/super-forms/uploads/php/files/7qppplocrbh7bug6hpmv95md4n/85684077346.pdf
- http://www.pranabkumar.com/fckimages/file/72087812036.pdf
- https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/mieg8dvu7j35fd1cpi3t0fdjju/nuzimomanodisuso.pdf
- http://svsteinfurth.de/radsportfiles/file/92626248996.pdf
- http://beiwendq.com/userfiles/file/jikizajizi.pdf
- https://cls-toronto.com/wp-content/plugins/super-forms/uploads/php/files/8e2493a394c4ca970e24701c2eced6f0/gaxofebikivorurupumerawo.pdf
- https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/95a81d3ab7b64ac434b1e5cfae8033be/55122966155.pdf
- https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/bdgo7ae0d0h2g5dogm810acg9c/taxemofo.pdf
- http://neodentpetrosino.it/userfiles/files/didexemibizibenukoxuvudo.pdf
- https://tavcam.com/upload/ckfinder/files/kamakebitudizuk.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=what+is+the+sherman+act
- 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_off00010259.bincac62c02b292cbe31d0e384400ac7ba3cfb639ee527415b77db03fb1f8a9e0b8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10259 | 17144 bytes |
font_01_sfnt_off00012f12.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F12 | 16792 bytes |
font_02_sfnt_off00014729.binf8b5bc0dc2e396e2dc6d50c5b1205bfa3145a22c6603f115292e38db29c31c87 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14729 | 10320 bytes |
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