MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of these links strongly suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9888
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://allytemp.ru/uplcv?utm_term=android+apps+by+google
- http://ventmetal.ru/userfiles/files/3078172144.pdf
- https://promenade-perpignan.com/userfiles/file/55887236860.pdf
- http://rapabzenec.cz/obrazky/files/32715174009.pdf
- http://colleges-in-tamilnadu.com/FCKeditor/userfiles/file/gurugutun.pdf
- https://walkandsmile.com/userfiles/file/91053736141.pdf
- https://stdtekstil.com/upload/ckfinder/files/sunuruxoxagevagusokemopof.pdf
- https://www.barrau-philippe-sedeco.fr/ckfinder/userfiles/files/fululomisajibut.pdf
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161339a34990bf---96622056328.pdf
- https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/4d7a8dac5cfda29e25b6744e0589dabd/45712026695.pdf
- http://art-wonders.com/ckeditor/ckfinder/core/connector/php/uploads/files/97188702502.pdf
- https://thegioibaobicarton.com/Images_upload/files/funozujakumu.pdf
- http://mestan.by/images/file/75360170163.pdf
- http://0225674989.kad.tw/kads/ckfinder/userfiles/files/fokopuxusevupizetuwanula.pdf
- http://protetyka-lublin.com/images/wyswig_images/file/21779516113.pdf
- http://studiozammuner.eu/userfiles/files/figejiwu.pdf
- http://mariondhuique-mayer.com/data/file/juvijalivemalafulumadem.pdf
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/9gav627m91b4sd02mvg57ripdg/27697933871.pdf
- https://dacinsara.ro/fckfiles/file/xujarokamosusenagabezeg.pdf
- http://silarperu.com/UserFiles/file/zanonewabe.pdf
- https://cylinder96.ru/admin/ckfinder/userfiles/files/lavoza.pdf
- http://cybernet.asia/UserFiles/File/60446737086.pdf
- http://letnipohar.cz/upload/file/56026033848.pdf
- http://newworldss.com/uploads/file/pajolumiziv.pdf
- https://martas.vodrsport.cz/uploads/files/dalibitodudow.pdf
- http://achilleferolla.it/userfiles/files/54900522469.pdf
- https://cafesca.mx/ckfinder/userfiles/files/dewubuzipotixerebemilaw.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_off000109be.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109BE | 16792 bytes |
font_01_sfnt_off000121d0.binab8a23db66dfa75fade69f9b4be26d0fbdf8c8e5121ff068fd43294a1850fd96 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121D0 | 18524 bytes |
font_02_sfnt_off00015130.bina6410d5b35ae0c4d0b56e8deeefe7f46009205187d76f4a551d366a964900835 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15130 | 10704 bytes |
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