MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains numerous links to external websites, many of which are hosted on compromised WordPress installations or disposable domains. The heuristic firings indicate a link farm designed to redirect users to potentially malicious content, likely for downloading further malware. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://chcial.ru/uplcv?utm_term=shani+dev+beej+mantra+pdf
- http://baggiez.net/userfiles/file/52838788933.pdf
- https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c4b276ba96d---wolofagivodotikovasofoj.pdf
- https://beldaoyun.com/calisma2/files/uploads/wapufeborox.pdf
- https://sce.tw/uploads/files/6105ef5cef3d3.pdf
- http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a756da1b201---41734461252.pdf
- http://www.de.ruben.pl/ckfinder/userfiles/files/25368373696.pdf
- https://www.federatedlighting.com/wp-content/plugins/super-forms/uploads/php/files/29e0f10629123f51535cd2a7e2360272/64744872926.pdf
- https://www.htlexpress.com/ckfinder/userfiles/files/vupovinijusatezurok.pdf
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/2i1ffi49063l55itbrmqdmn101/vogup.pdf
- https://alrukn.co/userfiles/files/59933218248.pdf
- https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/258i4hpti0fsprj888orodtl73/xilewevaba.pdf
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5b4afcc5cd---15986388927.pdf
- https://textosolutionslinguistiques.com/upload/editor/file/77448297989.pdf
- https://galerieportelouise.be/userfiles/files/3278315726.pdf
- https://poolpoint.be/uploads/file/7281879847.pdf
- http://hieuchuan.com/upload/files/mixisowuwomole.pdf
- http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16083b8641d7ff---35906096778.pdf
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610ee80fac681---fawimiwetutudotade.pdf
- https://eitmedu.in/ckfinder/userfiles/files/posagowef.pdf
- http://nationalcoopadvisors.com/userfiles/files/28581853651.pdf
- http://kidneytracker.com/ckfinder/userfiles/files/jorivoxopamijufekoli.pdf
- https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/233ce3148224e5f3bd428d36847e4966/roworosivopuwixovitib.pdf
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/160b231f57fcca---selubudigam.pdf
- http://tischlerei-schlusche.de/sites/default/files/file/8998403794.pdf
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8ad41868fc---jexikoxawizomeb.pdf
- http://blatt-gruen.ch/files/80772069695.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_off0000d225.bin8635b8ebf8b233023c68615d9bd2eaedbfd43bcb74d50416d27d16086596c15a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD225 | 10840 bytes |
font_01_sfnt_off0000eab0.binbcec0e4ca735188189a79bedfa4d7d3df48ffce9b5ae753a7ca1e4bf456819b0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAB0 | 19368 bytes |
font_02_sfnt_off00011d0a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D0A | 16792 bytes |
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