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 numerous compromised WordPress upload directories and disposable hosting sites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, classifying it as a phishing trojan. The file's structure and numerous external links are consistent with an attempt to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://zjpjxt.cn/upload/uploadfile/file/27523389957.pdf
- https://soudurelausiere.ca/upload/editor/file/13357282710.pdf
- http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/2b7e0397159252d9a8f1095ec5e1fb9c/42015561236.pdf
- http://albatrossmrn.com/konadnew/userfiles/file/28674256945.pdf
- https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/59f4e466b56a0027e0f78b7cd4b8dac3/76313565836.pdf
- http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/fe3fb46a443c4d1d06f636daeda62d05/zupuvujawajidoxeze.pdf
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609def0e6dab6---mebuzobafafivusiveka.pdf
- http://ipmarketing.net/userfiles/file/rinirevemobew.pdf
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606eeaeda3209---gumos.pdf
- http://theettiares.com/clients/f/f0/f03dfc1790708d0b03c48e9879ef2ea6/File/45795898003.pdf
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2bb6946f84---pamiwune.pdf
- https://cor.org.ar/wp-content/plugins/super-forms/uploads/php/files/4ca81dhgeve3rmhjfdioimp997/75941725499.pdf
- http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/jdirdrp6b3k3n3trku3mabobj7/laxejizogedituzuzezarene.pdf
- http://asesorgubernamental.com/images/file/wewevesesumekosus.pdf
- https://dogathermalhotel.com/resimler/files/kazaso.pdf
- https://www.kbstephens.com/wp-content/plugins/super-forms/uploads/php/files/e5684dd5c7d26d5f065e874fe3ff5b83/94242179363.pdf
- http://xn--42-6kcdlkbomh7beggito5p.xn--p1ai/userfiles/file/47100626358.pdf
- http://banghetretruc.com/media/ftp/file/kanuvabi.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=spelling+start+with+r
- 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_off0000da98.bin99e14351e410215ba03369d4eb912fbfe206388978d1d473c392a3af26227bc6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA98 | 17392 bytes |
font_01_sfnt_off000107df.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107DF | 16792 bytes |
font_02_sfnt_off00011ff6.bin1bd54e41a5aa63d8aa2b5280dfe3234d05f7e17918acae71dd48eb46c5f11c01 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FF6 | 10572 bytes |
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