MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as 'Pdf.Phishing.Trojan'. The file contains numerous links pointing to compromised WordPress upload directories and disposable hosting, suggesting a phishing or malware distribution scheme. The presence of these links indicates an attempt to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://archism.ru/uplcv?utm_term=page+life+cycle+in+mvc
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b8ababe67f4---rapufopodoli.pdf
- https://autosaloncenter.com/uploads/file/81120672680.pdf
- http://sotel-perm.ru/site/file/58042383937.pdf
- http://diysmart.net/userfiles/file/gejigag.pdf
- http://matstravel.ru/userfiles/file/muwatazonifarubokugipas.pdf
- http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c3a174b408---89309843433.pdf
- http://adveotec.com/img/file/33892065328.pdf
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c91a9de3922---13747817444.pdf
- https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/8eff6d94d5e68316d53feb9a10165ee2/dumavozodusudafexeziwiv.pdf
- https://glowskincare.net/wp-content/plugins/super-forms/uploads/php/files/15d1a02bac0f762a4e29b1ba44f9797b/16401432308.pdf
- https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160783de73bb2e---98245096507.pdf
- https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d887e2dc667---jozijewivawoluwirokam.pdf
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/160963c662d733---senufomazuxezuvorodax.pdf
- http://tecsun-moscow.ru/docs/file/8302874022.pdf
- http://dabaizhongxue.com/upload_fck/file/2021-5-18/20210518063522553842.pdf
- http://ahcxdq.com/uploads/file/021309331476.pdf
- http://dothi.info/images/files/14235034934.pdf
- http://hotelsandmartin.cz/files/file/xunewofenotamoziwonagojig.pdf
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/b4f740312bcf6fdd57f51f652f977b2e/wanarowusepufana.pdf
- https://www.acetechnology.co.in/wp-content/plugins/super-forms/uploads/php/files/lve7umv8t4v08u8upjl6orovnb/8171564448.pdf
- https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/cc85431fb2bd20f0a69004fa66e6f874/82553728785.pdf
- http://sns.hu/_user/file/gebamukopatamidare.pdf
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/83fc9338b9cec26a5dad780289d103bf/rebowepekumaxokubanekan.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_off00011b2b.bin67afd5ca4fda9b758fe0b6fbfb52511529332f599e6af284f41bfa3d3d15a6c1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B2B | 10376 bytes |
font_01_sfnt_off00013293.bin9d718fa99ac08d7bad92c4fed01663b8253cce4fad34a323677df5c9556b1806 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13293 | 16948 bytes |
font_02_sfnt_off00015ec7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15EC7 | 16792 bytes |
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