MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate the presence of a link farm pointing to compromised WordPress upload directories, suggesting an attempt to redirect users to malicious content. The embedded URLs, such as http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/160aa3f97885e1---sexikatetixufo.pdf, are likely part of this malicious infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/160d6734ab82d5---wevuzonumodutinedoma.pdf
- https://angelsforwarriors.org/userfiles/files/dobaki.pdf
- http://stsaischoolamritsar.com/slbdavbatala/userfiles/file/gebobijivubuzenipefo.pdf
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7c68143e2b---kudezarukafekakudov.pdf
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095f95d80534---ralipeviwin.pdf
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a0174e05832---gukufixoger.pdf
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/160aa3f97885e1---sexikatetixufo.pdf
- http://vrieshorst.nl/images/uploads/file/22343607645.pdf
- http://perseverance.cyou/updatefiles/file/riwivegimerabekuzitefobu.pdf
- https://grandplaza.bg/uploads/assets/file/doxateto.pdf
- https://keralahappyjourney.com/ckfinder/userfiles/files/30634302263.pdf
- http://ruilong-ironwork.com/CKEdit/upload/files/71647079062.pdf
- http://refinerlink.com/userfiles/file/rimefulejono.pdf
- http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608309e97c2f2---20281405827.pdf
- https://qnzar.com/files/xamijepudoxax.pdf
- https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/9920f198fe6141a7cce94e65d869e6a8/42440619823.pdf
- http://kondicionery-ivanteevka.ru/upload_picture/file/bipobemitix.pdf
- https://skyzoan.com/cake/beta/userfiles/file/65517134000.pdf
- https://hometeamcorp.com/images/usr/23940055675.pdf
- http://hphs1958reunion.com/clients/47465/File/14537643248.pdf
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/16074d1a6d65d7---vagematoma.pdf
- https://projetounificado.com/uploads/files/jezemosofikise.pdf
- http://baigeleather.com/userfiles/file/24330514666.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=what+is+the+best+beat+making+app+for+android
- 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_off0000e8e4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8E4 | 16792 bytes |
font_01_sfnt_off000100f6.bin64f5a80bd890e1fda39e42ab7ccdc67841aa305367cae67963afa9b9771fb586 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100F6 | 17248 bytes |
font_02_sfnt_off00012de0.bin875e34c1df1b8fc954184865de24007844fc1bc6438ed5744813c3fb73c791b5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DE0 | 11124 bytes |
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