MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains a link farm pointing to numerous URLs hosted on compromised CMS uploads, suggesting an attempt to distribute malicious content or redirect users to phishing sites. The presence of these links indicates a likely spearphishing attachment vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/fc7e4af2030a681933bd35dda3f8645b/boguxuwulitamudolu.pdf
- http://gptools.net/userfiles/file/zoluviwiva.pdf
- https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/m6drsbh0to486j7q2gokppj3u6/90014128581.pdf
- http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/160abfbdf328e1---82190302150.pdf
- http://bezagsecurity.cz/userfiles/41846580399.pdf
- https://blueridgelightingandcontrols.com/wp-content/plugins/super-forms/uploads/php/files/f683a4a00ae1f1c2b982b31f2e94a74d/88891602686.pdf
- https://aimara-bg.com/userfiles/file/47129808300.pdf
- https://mszukam.pl/dat//file/60334164342.pdf
- https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/8uevbr4orp7d4mrj98rsps5116/44962688380.pdf
- https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/tdbmnchkd3ji2dq8lgelt32bo6/52303296911.pdf
- https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/9og83lsmufcfbuhms59d4ajqic/fodobifagotupeve.pdf
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16099ce0245ccf---rexunevilozuniwokuz.pdf
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cf4ac0cdcc---dumejuvepenolebum.pdf
- https://cplastik.cz/data/cms/file/gaxitiluzexodelatixet.pdf
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd4be084936---15242844323.pdf
- http://casier-a-bouteilles.com/file/13942194259.pdf
- http://shinies.ru/img/lib/file/36177856292.pdf
- http://k-souz.com/userfiles/file/27121534957.pdf
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/e1f6755dfe2b58de825c90ce9cf9c862/mufotavofulizu.pdf
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf04fa5c55b---81139085858.pdf
- https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/e5eced693c6aefc03613e0aecf9ba0e6/sibajesobovovesulub.pdf
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/16088041a691e1---wekiziboja.pdf
- http://dienlanhlongan.com/upload/files/dotonaxotoso.pdf
- http://humanitool.ru/userfiles/file/xutewinezededipinesuseme.pdf
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074180c757d7---tunazaja.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=book+of+occasional+services+2003
- 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_off0000fdac.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDAC | 16792 bytes |
font_01_sfnt_off000115c3.bin564791697cee5e588a885e390fd8ddcfc9542e5674382e827c783367a6a4401f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115C3 | 10856 bytes |
font_02_sfnt_off00012f12.binde81dd46692cead324f8a9b8d65b4441a3bd2931e4c872d77fbd7c7a41173e0e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F12 | 17372 bytes |
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