MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The numerous external URLs embedded within the document, many pointing to compromised WordPress sites, suggest a phishing or malware distribution campaign. No scripts were extracted, but the overall structure indicates a lure to external, potentially malicious, content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://wastran.ru/uplcv?utm_term=dream+meaning+flying+in+a+plane
- https://rlvanstory.com/wp-content/plugins/super-forms/uploads/php/files/a1b59e8526f14b8fdb2405ba82e08a2d/rulazolu.pdf
- http://newtarrytowndeli.com/uploads/files/98289628768.pdf
- https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/i9cbtj128ao6cn4h7uvik4eb06/52716669752.pdf
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/25kf2kuim9ljkd71ehufvmhcm6/lopitelosububapime.pdf
- http://kingcraftviet.com/uploads/ckfinder/files/53753416452.pdf
- https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/c9aa2917aa01b8af647310b36e6aea1d/67390054152.pdf
- https://bibliotheque-des-arts.ch/ckfinder/userfiles/files/kuvawinunolapawo.pdf
- http://0930actress.com/files/files/xalurodadol.pdf
- https://hgb.se/filer/file/23321245421.pdf
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/59a9544978037512fc39afee5ded5094/janirimebuworetif.pdf
- http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/6fe71a07f2c3b0d36de8103a235e1f09/63434898606.pdf
- https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/41b15e364cb17dce52ab53e0098f9580/39666608273.pdf
- http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c9dfa308b56---kelesit.pdf
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f81ed0fad9---fupoduzagibidewatobo.pdf
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/ad0f9a5fa658622e739dc432dc330741/2992562227.pdf
- https://eyetracking.pl/userfiles/file/54119773659.pdf
- http://thsport.dk/ckfinder/userfiles/files/47188506644.pdf
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085e9cd7021e---dunilagemimizav.pdf
- http://nordicaluminium.ru/userfiles/file/78145214418.pdf
- https://jclifeschools.org/wp-content/plugins/super-forms/uploads/php/files/afc588e662d1d6d71ea6badaa4d9416e/guvitizadipiwazakiz.pdf
- http://evolutionchonburi.com/userfiles/files/wedezasolerojezo.pdf
- http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/hghbsh9rm410lclqv1f25un6fv/63863654618.pdf
- http://brunsfamilyreunion.org/clients/e/e7/e70b0594429ddd28dfd4dd2f61c76e80/File/gasafegubumurutiriruni.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_off0000e8d5.bin6050320463d01d1928627e08482781065a0e71c3c7329c84fd46be0471b3fa31 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8D5 | 10432 bytes |
font_01_sfnt_off0001006b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1006B | 16792 bytes |
font_02_sfnt_off0001187d.bindc8f2fc590f1250068d5ebfd34ba0adf9984303e5392efa7ec220d12dadfa7ac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1187D | 16352 bytes |
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