MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics as a link farm, with many URLs pointing to compromised WordPress sites and disposable domains. The ML classifier and ClamAV also identified it as malicious, likely a phishing or malware distribution lure. The document body is heavily obfuscated and contains no readable content, suggesting its primary purpose is to host these external links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://shosholoza.de/file/43666741297.pdf
- https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/5467f7c2bb16df49fb0da98f63ff5b74/jekoz.pdf
- http://scandirent-new.ru/uploads/assets/file/kodopigigububonuxuw.pdf
- http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160be9ea43fe52---31826989894.pdf
- http://capitalclassof1971.com/clients/4/4c/4c1e4f015ba9b8bec237dc1ca705466d/File/defisojijedinojefed.pdf
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/4a61ad0bdab6f6a81def0403b42059c5/zumegodemavivu.pdf
- https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/8c5ngqsq6ff7j8f92nbtapnrg6/7865642170.pdf
- https://adasms.fr/userfiles/file/dasoradevesevud.pdf
- https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/d380000c98402fe77c170943d554b9e8/28376079088.pdf
- https://legacydockandmarine.com/wp-content/plugins/super-forms/uploads/php/files/29e3ad8bdb5c443e512f6ec090b50d4e/nexanowixul.pdf
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b0f63cd7d22---radavakexasodap.pdf
- https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092200623957---wiseligotesuxavufita.pdf
- https://scalper.ir/data/files/file/43728991389.pdf
- http://billsky.ee/files/file/23265657244.pdf
- http://bochosushi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160985b27d69b6---rifirarudulopexupoxin.pdf
- http://aftckwt.com/uploads/file/56287737236.pdf
- https://thisissati.com/userfiles/files/zepulufuvimif.pdf
- http://cuuhoatudong.com/upload/files/67311296465.pdf
- http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160b28f48b8e91---76622211337.pdf
- https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/cee9fd9d189433f6538b1759defd58ee/96586363514.pdf
- https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/qe378qbmua62355c7q0fhtr3io/75413867505.pdf
- https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/0752c5a0e2b6379faa6ce5cea7ed5871/papufakoberun.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=family+ties+meaning
- 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_off0000f73e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF73E | 16792 bytes |
font_01_sfnt_off00010f55.bin3beffc21867fdf3fcf28da889042280340204ce5f6b1ccc9cdf427a1d62b5cea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F55 | 10320 bytes |
font_02_sfnt_off00012694.bin34a4d32f2bd050b8d998f5f57aab14115f7532b72807448314b640d5cebc6998 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12694 | 17912 bytes |
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