MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with numerous URLs pointing to compromised WordPress sites and disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs and the nature of the heuristics strongly suggest the document's purpose is to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://micast.de/wp-content/plugins/super-forms/uploads/php/files/hht11qh5nh0piob3b6igemmscm/88085083210.pdf
- http://mevlanaasm.com/resimler/files/doxenatavenaxilem.pdf
- https://centrobrands.com/wp-content/plugins/super-forms/uploads/php/files/2e112fb9e3821e0e6518f12e66bc7cb5/53085902317.pdf
- http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/m0clrc8b4h9eu9h8h3deecvi25/28633523135.pdf
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1607dbbd83cbe4---72975558282.pdf
- https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf81b321f9---11477865414.pdf
- https://juvelyrikoscentras.lt/Files/file/zubarajigutujupaxam.pdf
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a8f32abc80b---40749038165.pdf
- http://asupuro.com/upload/save_image/files/25068208141.pdf
- http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/r7n30def0o23tpnd4lsjlh0osq/wopafalakarivudunakajaset.pdf
- http://goodwill.as/userfiles/file/72094768005.pdf
- https://rabudiagnostic.com/userfiles/files/bofuwamabevuru.pdf
- http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097d29cf1db3---89340394444.pdf
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160afcc31d755e---betupidijixenex.pdf
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/1c86jaullichk0jo0q3tggktr4/22237358873.pdf
- https://bechtoldpaving.com/wp-content/plugins/super-forms/uploads/php/files/4db3cd664007892f77b9000b46441f44/rusim.pdf
- http://crystalnymph.by/wp-content/plugins/super-forms/uploads/php/files/c889422a445a9163bd6d6b74a29b869b/timexojukugatuwegadaxen.pdf
- https://ficsllc.com/wp-content/plugins/super-forms/uploads/php/files/53ct85vdj3ohj63t2bm0a3flv2/28638776985.pdf
- https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/4417e82430bf9173eea42ab3b8ee28a3/totuj.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=far+certified+cost+and+pricing+data
- http://e1pl2.nazwa.pl/busy/fotki/file/tuxifovagodutopuvi.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_off0000ea89.bin6205aea1247969b4436b1788f1775bdc34b0df824e5579a35af59a141c3d319f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA89 | 17856 bytes |
font_01_sfnt_off00011931.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11931 | 16792 bytes |
font_02_sfnt_off00013148.bin456074d50e159f270fb6825fa7419d547e434939cffb928bfa5d5ff1bed57b16 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13148 | 10728 bytes |
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