MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm with numerous URLs pointing to compromised WordPress upload directories, indicating a phishing or malware distribution attempt. ClamAV detection as 'Pdf.Phishing.Trojan' further supports its malicious nature. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
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 http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16095a76eab64d---95403291055.pdf
- http://ampletrekking.com/userfiles/file/buvirepumet.pdf
- https://alternativecarrepair.com/userfiles/file/gevakelezukelezexavale.pdf
- https://bmat.mn/uploads/ckfinder/files/tonaferataduxisivesute.pdf
- http://marcobernini.it/userfiles/files/38312728130.pdf
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad9d59e4be2---gibefelonejotunomumetodut.pdf
- https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/160aa88dc29948---xupugojekum.pdf
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/1606f493544394---guramozax.pdf
- http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16078af6471520---gowato.pdf
- http://yaqeen-eg.com/userfiles/file/dexuwerijafererigimi.pdf
- https://gachbinhduong.com/upload/file/22114366771.pdf
- https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/b04dbb1c37f4dc8bb595cca2964962a4/siguvezarerijulivavevokuj.pdf
- http://dgjst.com/upfile/file/dovibifinisujuzasesexos.pdf
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160837c5dd790c---17713920631.pdf
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a5137640eef---tufagarosujezumudovugixog.pdf
- http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/hsmpilpvcp3csqj9hfoin5q63e/82381813442.pdf
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072c9aac83ca---93350200989.pdf
- http://naturabliskociebie.pl/userfiles/file/35430826858.pdf
- https://artenika.pl/fck/file/zupikimonojesikivagirexe.pdf
- http://wang023spa.com/userfiles/202106file/2021061410511970554.pdf
- https://rowadalbyt.com/userfiles/files/fufetiderefubafiw.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=practicing+social+distancing
- 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_off0001027e.bin93b2a828e6b7d98a88620aad26efaa65206cbe4ba588809c54d4607bbca45ff6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1027E | 18980 bytes |
font_01_sfnt_off00013346.bin4dccb3749c010b6649f81ae369f7cb075f8e3d23aec1ce07af59842967e91461 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13346 | 10416 bytes |
font_02_sfnt_off00014ac0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14AC0 | 16792 bytes |
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