MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress sites and disposable hosting, characteristic of a link farm used to distribute malware or conduct phishing. The embedded URLs suggest an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 6
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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 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://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/001l4r97uhtmvj03aecsgidcb1/21648416899.pdf
- http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/306f63d86c2cb403249022ff0161d5aa/57209545788.pdf
- http://leadershipcareer.kr/fckeditor/_upload/file/9269024818.pdf
- https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084fa858744f---67099732037.pdf
- http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609aa7946da26---3783741597.pdf
- http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dfbac57856---92470690591.pdf
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e98d69bdb2---66943166865.pdf
- https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/c104681c1739623c6db1947e2f575429/39872847298.pdf
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b46cf4643a6---36809513879.pdf
- http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d7a30bc6d6---83147824540.pdf
- https://doctorchina168.com/upload/files/6491626583.pdf
- http://28777886.com/Lpf/UPFILE/userfiles/files/dosotuk.pdf
- http://kistours.hu/userfiles/file/20347435313.pdf
- https://avigailpekelman.com/sites/default/files/file/nogubomarob.pdf
- http://somersetcountybar.org/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/buvurefebovu.pdf
- http://bean2beenefamilytree.com/clients/60578/File/42522408506.pdf
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/8b14145d6676c1a2004a03d6a282914e/jeweparokomosatewi.pdf
- https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16076f58030682---gajeleletipejirabofaz.pdf
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/16081589b51200---matuvu.pdf
- https://x-software.cz/data/file/36737147281.pdf
- http://bagliodeimille.it/userfiles/files/rutejedaxevezevidemo.pdf
- http://www.tekkoo.net/images/library/File/xerovogaramezasunur.pdf
- http://findmecakes.com/userfiles/files/donudepuwaje.pdf
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16070f7d056802---jowiremexodop.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=fifa+14+mod+fifa+21+android+offline
- 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_off0000e26c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE26C | 16792 bytes |
font_01_sfnt_off0000fa83.bin3a6e2a770d07564a16d9a13fd6514fc82ac9846a6bee6dc8f08876401ffb8af5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA83 | 10476 bytes |
font_02_sfnt_off0001124f.bin6520ff1116d031dd507c653a0ed600b7b5da87ea56dbb089db567eb841078220 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1124F | 18460 bytes |
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