MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to compromised WordPress sites, designed to trick users into downloading further malicious files. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan. The presence of numerous unknown URLs suggests a broad phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
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 http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16133424144847---pevozekanifu.pdf
- https://btcauction.vn/hinhanh/file/67594427967.pdf
- http://enjoybowlramenandpoke.com/uploads/files/45914203779.pdf
- https://tdemo.order-pro.com/ckfinder/userfiles/files/37344990575.pdf
- http://gemaeldeundobjekte.de/uploads/files/44699092490.pdf
- http://yuli-china.ru/d/files/tukugutime.pdf
- http://clinivetmadonnadirosa.eu/userfiles/files/92682195615.pdf
- http://noithatmfc.com/media/ftp/file/vizazimaxajefefi.pdf
- https://tiguan-wiki.ru/file/jipofobixixawiruwuge.pdf
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/a67da9a0bf84e0663ba85a5a4cacdff5/wovonijisudesuju.pdf
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612ff8f02a60a---vuviliwunu.pdf
- https://e-fasteners.eu/media/file/17533137758.pdf
- http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16139838b8326e---82319538618.pdf
- https://preprodpcb.com/userfiles/files/51762147592.pdf
- http://cambresisemploi.fr/ckfinder/userfiles/files/72554632594.pdf
- https://dudikom.pl/userfiles/file/merapinagutiruwukoxuza.pdf
- http://kaitosushisb.com/uploads/files/48903535384.pdf
- http://studiosantese.eu/userfiles/files/9487703238.pdf
- http://stlnsk.ru/uploads/file/favunuxedigefe.pdf
- https://greenlakepaint.com/ckfinder/userfiles/files/18531004482.pdf
- http://scandirent-new.ru/uploads/assets/file/kawetedupoloneminuri.pdf
- http://jtylek.pl/Upload/file/35465328521.pdf
- http://e-kva.ru/admin/ckfinder/userfiles/files/65873905041.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=vidathu+karuppu+novel+pdf+free+download
- 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_off0001254e.bin50df6242763be27b77a736169d36b9402c5c2df6cf7d1c3f5bffe017e7c08f8a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1254E | 10740 bytes |
font_01_sfnt_off00013df5.bincd79bbcfee45fa2d3f6f415981c730b80e62984024b9f99c5abda868e8cce675 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13DF5 | 22580 bytes |
font_02_sfnt_off00017696.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17696 | 16792 bytes |
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