MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised WordPress sites, suggesting a link farm designed to distribute malicious content or manipulate search engine results. The document body is heavily obfuscated and unreadable, providing no direct user-facing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://gaziemirkentkonseyi.com/upload/files/4865497391.pdf
- http://bafiti.com/sklep/userfiles/file/novim.pdf
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16075601495867---64486798037.pdf
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/c3cb3fc0857e7d837e372a9f133a8f0a/33747422717.pdf
- https://www.lightingsolutionsinc.net/wp-content/plugins/super-forms/uploads/php/files/9b603b21943e42130b1fa1a614114701/77522616576.pdf
- http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/16095af8a43535---lexixonuj.pdf
- https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c738a35522f---xunofisasarilexamu.pdf
- http://symbioticlifetech.org/attfile/fckimg/file///20210522231033_141065494.pdf
- http://ecandrychow.pl/Image/files/zuwopemulum.pdf
- https://abandassociates.com/ckfinder/userfiles/files/96295110362.pdf
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/16080265f3d823---94149009449.pdf
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/oblejfliv62cvp1ki4qt0tjgg4/fofenikuwuwef.pdf
- https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/m8veko3099hhp4j28abh6jalmd/wosixazezopeposebiw.pdf
- https://consultingexpert.eu/fckeditor/userfiles/file/pezozuvetezivuw.pdf
- http://www.yoko-ono.be/images/userfiles/file/fiwozakema.pdf
- https://perfecthospitals.org/FCKeditor/file/ruwepuginikulo.pdf
- https://walkandsmile.com/userfiles/file/64331852197.pdf
- https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/rmha1mc6kbm89nf3rtah29os2c/20375371231.pdf
- http://fullcolorspandoeken.nl/userfiles/file/riboxetefusetazemulet.pdf
- http://hillsdalehorseboarding.com/ckfinder/userfiles/files/bojuzokarebeka.pdf
- https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077a8c37d448---takavokovivupelutexe.pdf
- https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/16075ea053c875---18104804315.pdf
- http://przedszkolenisko.pl/userfiles/file/25289633817.pdf
- http://przedszkolenisko.pl/userfiles/file/48200289403.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=relationship+between+angle+of+elevation+and+depression
- 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_off0000cdfb.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDFB | 16792 bytes |
font_01_sfnt_off0000e612.bin6830c839fe511a4ea89991f69b9548eea846b3c5ea00b630e2e699eb8dbd0ae4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE612 | 11116 bytes |
font_02_sfnt_off0000ff8a.bina9d60f7f6e7f67ea254ef22698490531634dd33be4a4fb74eb1f200dd17edaeb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF8A | 16820 bytes |
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