MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous URLs, many pointing to compromised CMS uploads or disposable hosting, suggesting it functions as a link farm designed to redirect users to malicious sites. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this, indicating a tactic to obscure the true destination of the links. The document body is heavily obfuscated and unreadable, preventing analysis of specific lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://queure.ru/uplcv?utm_term=new+super+mario+bros+wii+rom+hack+download
- http://irs-messtechnik.at/upload/fipedotesufakenigizapibi.pdf
- https://ehotelgateway.com/bot/ckfinder/uf/files/xojidexojizixuma.pdf
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/1e6995ebb16c78c8f9ccae80cb6957aa/vifovujud.pdf
- http://abwmechanicsville.com/uploads/files/61867543817.pdf
- http://hf1968.com/clients/48820/File/bekunejonekatorururubeme.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608844dc68def---wezefuwiditunixadoj.pdf
- http://e-district.org/userfiles/file/pomek.pdf
- http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b2aaf628d17---lavapoxazakidezes.pdf
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/4o08og0cr4ara1vlk10tko1599/numimazuvobikuj.pdf
- https://arerp.kr/data/file///17575058182.pdf
- https://jagamimpi.net/contents//files/limeraramulipivulaba.pdf
- http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609a4d9f8388c---9906826853.pdf
- https://afayl.com/userfiles/file/23003969971.pdf
- http://emirates-offshore.com/uploads/image/file/jazifepivinasa.pdf
- https://qualitylightsolutions.com/wp-content/plugins/super-forms/uploads/php/files/7047af3532796e3a025d38780c58183d/wojilegerepixuwazadifijek.pdf
- http://sushiosushi.com/uploads/files/gulatumewikinu.pdf
- http://razaviota.ir/basefile/razaviotair/files/90831579267.pdf
- https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/c4d3725fd944507a3a33a4127ceae55e/97704500560.pdf
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a4772853603---tubugadixemo.pdf
- https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a291fdbe3f---raxelakukufokarolaje.pdf
- http://cuiquji.net/d/files/35008850789.pdf
- https://ludifrance.fr/userfiles/file/bevobobexukigime.pdf
- http://drumlockingclamp.com/FCK_Editor_Images/files/31266966132.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_off0000fc29.bina6a8cd0eedebf9da893fe7e2fd61f3744e373a73fbbfb7ac1142e05bdd8217d1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC29 | 11076 bytes |
font_01_sfnt_off00011598.bin29d230225c87fc293c4deb0e8a4cea65bbe375341174266265772216f6251374 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11598 | 19180 bytes |
font_02_sfnt_off000147f1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x147F1 | 16792 bytes |
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