MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised WordPress sites, suggesting it functions as a link farm to distribute phishing or malware. The presence of external URIs and link farm heuristics strongly supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/160879b989a7ff---63674396019.pdf
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ace5e1ecf48---wojenubanudexajirimumaj.pdf
- http://www.hangmandigital.com/files/file/38389111807.pdf
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/160bc69be9e5d1---75462394463.pdf
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/aab8456e84353d481bbe8b16ed38fda0/roxegopudazuxemewipuwinuj.pdf
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a75483bde9c---vadadinavisitaxabiwofetu.pdf
- https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607ef385aa764---lelufozurunajipa.pdf
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160987a0a87c82---5686609509.pdf
- https://audit-advisers.com/userfiles/file/wamosujiligusuwomabita.pdf
- http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/9f3d646821b3da042ee0679470e66f02/nojosalemenamajakis.pdf
- https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0dbacb44cd---60831497545.pdf
- https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/1608870714dc78---zipetava.pdf
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a1bcc229b75---97059343252.pdf
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095d5c378bfd---bodunenofajole.pdf
- http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/1222mllrm7gsk2r31d5ce6u5r7/rumakekazanukupakaramil.pdf
- https://combrooncom.com/contents//files/munoluxoxijeturu.pdf
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160889ccb394b4---defuluwefamadufatejasila.pdf
- https://bhandarisurgical.com/ckfinder/userfiles/files/fapitibamit.pdf
- http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/160aa78e276e55---22046127545.pdf
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160781919e88d9---51684589567.pdf
- http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae0fe6a3bb2---ramewupoxomabodok.pdf
- http://hanboo.cn/Uploads/file/2021052319582870554.pdf
- http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/d6e2e784ca797141ec71faeaa85c1413/rabuvurifuv.pdf
- https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/91ab34e37507c58c72c5b3b425030ce7/futofumadezozanazanase.pdf
- http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/aau03a97upopcrffqrs56o5ko5/nozefaxeboludizakitonutu.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=discord+mobile+push+notifications+not+working
- 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_off0000f33c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF33C | 16792 bytes |
font_01_sfnt_off00010b53.bincacde9550a5b42e513d10cc73110fa06d766e753fece947802c73613d8470c9e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B53 | 11484 bytes |
font_02_sfnt_off000125f3.bin20811a1aec8c6ae910a5c2c3b244893a34392d8a124bbaf4a1ef69d62bdd2832 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125F3 | 16792 bytes |
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