MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains numerous external URIs and link farms pointing to potentially compromised websites, suggesting a phishing or malware distribution attempt. Although no scripts were explicitly extracted, the PDF structure and embedded URLs indicate it is designed to redirect users to malicious content.
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 https://smidgel.ru/uplcv?utm_term=unfortunately+app+has+stopped+android+fix
- http://adance0112.com/upfile/editor/file/81937035031.pdf
- https://demo.wsbe17hongkong.hk/_bin/ckfinder/userfiles/files/14497402541.pdf
- http://dreambeauty.kr/upload/fckeditor/file/78282250053.pdf
- http://e3edu.vn/public/ckfinder/core/connector/php/connector.phppublic/uploadsfiles/xigepibobafowujasor.pdf
- http://99hospitalitygroup.com/ckfinder/userfiles/files/93971249679.pdf
- http://reyazahmad.bscsaoner.in/ckfinder/userfiles/files/nisosidibabekotowik.pdf
- http://roletyhanarol.pl/files/file/79687545373.pdf
- https://scalper.ir/data/files/file/87775207905.pdf
- https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614ce9de8d4ca---wovobovuriv.pdf
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1614aea0713f0e---moted.pdf
- http://vsrru.ru/userfiles/file/80712488499.pdf
- http://kalkulacka-hypo.cz/userfiles/files/22257601470.pdf
- https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/b9cc010fc93e1c3634de2959b84ba50a/37506907728.pdf
- http://icloudcleaners.com/uploads/account/autoresponderfiles/kakafefozakoriluk.pdf
- http://www.agenbenangbandung.net/file/pifelemimizulejikipu.pdf
- http://www.rajpuc.pl/pics/file/segif.pdf
- http://istanbulballoons.com/ckfinder/userfiles/files/19438027546.pdf
- https://mkontakt.pl/dat/file/wopaxefenepekobezividal.pdf
- https://fsbulletsandbrass.com/userfiles/files/pesibowekenisasumixozijax.pdf
- http://ark-mr.com/data/home/qxu2063190031/htdocs/uploadfile/files/vifadifobanupiw.pdf
- https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/e7f5679ef9a6cda72c11477896fe40d5/retinepoxirusovobev.pdf
- http://toyotaquangninh.org/data/dulieu/files/mejelejebalekewabivi.pdf
- http://handsonmontessoripk.com/userfiles/files/813808064.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_off0000b406.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB406 | 16792 bytes |
font_01_sfnt_off0000cc18.bin3eb1bae05502a2a7b9a1f44a62056e2de959bf6039cc3bf6060274b338f02639 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC18 | 18124 bytes |
font_02_sfnt_off0000f9da.bin70c660f22ed91c78aa000c1957e2fdc78a85b5158bf3cdb26e2536eb284418f5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9DA | 10916 bytes |
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