MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to compromised websites, indicating a phishing or redirection scheme. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to lead the user to a malicious payload or exploit. The document body is unreadable binary data, but the heuristic firings and URLs are sufficient to determine the attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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 https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16093454e4c012---vivotuwibiwafeminawideja.pdf
- http://akicgiyim.com/userfiles/file/49744658075.pdf
- https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/4bcc733187d48cd0ea1dca5df9839dc2/vogakom.pdf
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/2a03e48fde489d1747507a6f229d0f8c/mamidagepunuma.pdf
- http://www.microsinusectomi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077c9e9ec2cb---14957802870.pdf
- https://www.propertyfilevault.com/wp-content/plugins/super-forms/uploads/php/files/a638c2945fb4aca505d926810bbd0e72/82504443196.pdf
- https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/c7670d84e0593bb7274d2085ce216d2a/82536407318.pdf
- https://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d227e616fe---givawapurulojasarezejim.pdf
- http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/0adec248d1e42f5fd37678296f0d76a8/95786852547.pdf
- http://tillmanfamilyreunion.com/clients/b/b7/b7385abc5988d1ee605fea7695e3d00e/File/96651463369.pdf
- https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/uomdchgpdbn8f25s25quk017kc/99980642093.pdf
- https://calldidocta.com/wp-content/plugins/super-forms/uploads/php/files/ddf5ce16c8381c1cd47e870befe2ef86/8700558654.pdf
- http://soft-pro.hr/upload/datoteke/jebekobiruzadimalirox.pdf
- http://carnavaldemarbella.com/Senegal_5/Content/files/userfiles/file/vebanadutajawevavux.pdf
- http://allprintusa.com/admin/images/file/sunezimafaboxavinudad.pdf
- http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/0aab31709a5205127142a60a8568fb8d/29403642879.pdf
- http://klpa.net/userData/board/file/navegagowijekan.pdf
- http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bd4d52dff9c---41769337134.pdf
- https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/160767aeb0fb6d---29627074432.pdf
- https://autotrans911.com/thread/admin/uploads/file/73077640100.pdf
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/f90179a2a125a85e43eb78271140204f/guvufalijaxezusujavesod.pdf
- https://sca-kc.org/scauserfiles/files/remej.pdf
- http://usdcp.jp/user_data/userfiles/files/lovekivuvuvalis.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=a+wagner+matinee+pdf
- 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_off0000fa6d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA6D | 16792 bytes |
font_01_sfnt_off0001127f.bine74272a0195cd82628f6728016437a5bfcd5de24f7be7ec7c2f37363f39ae074 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1127F | 16836 bytes |
font_02_sfnt_off00013da4.binb944b63bcfb71344237af1fbb292cbe61a0c1ddb28093041825cdc23a6df640a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13DA4 | 10572 bytes |
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