MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple compromised or disposable hosting sites. The presence of numerous external URIs and the detection of a link farm on disposable hosting strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://philabc.ru/uplcv?utm_term=use+phone+as+webcam+with+usb PDF link annotation
- http://ilovehikari.com/uploads/files/disaruxobuluwupesenavo.pdfIn PDF document text
- http://kondicionery-lobnya.ru/upload_picture/file/pisemoguwimomid.pdfIn PDF document text
- https://snf.styleguides.ch/userfiles/files/pekagivelom.pdfIn PDF document text
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613125bf391af---29851167754.pdfIn PDF document text
- http://exmar.it/foto_fck/file/mipanuza.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/464df0c1d1e3c45161babe960172179f/rofesuja.pdfIn PDF document text
- http://doctour.hu/uploads/ckfinder/userfiles/files/46825592090.pdfIn PDF document text
- http://lngpetro.com/userfiles/file/28670698097.pdfIn PDF document text
- http://pietroquatriniarchitetto.eu/userfiles/files/8080745849.pdfIn PDF document text
- https://samsungklimamodelleri.com/upload/ckfinder/files/gerukodaxuga.pdfIn PDF document text
- https://5udua.com/contents/files/deruvanafima.pdfIn PDF document text
- https://www.cascatai.com.br/ckfinder/userfiles/files/24657605260.pdfIn PDF document text
- http://sonarkella.com/userfiles/file/ramanuvejezebivone.pdfIn PDF document text
- http://jerseybankruptcylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/48712120232.pdfIn PDF document text
- http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/f7761a9797ad90c1513a3b122089f552/zomidigow.pdfIn PDF document text
- https://miguktour.com/FileData/ckfinder/files/20210902_6BA912C844286145.pdfIn PDF document text
- http://auto-rad.pl/userfiles/file/ranaxirutegevavizi.pdfIn PDF document text
- http://vanlysecurity.vn/vanly/album/files/96763705828.pdfIn PDF document text
- http://cwesp.biz/upload/file/kimedodov.pdfIn PDF document text
- http://www.singchai.co.th/ckfinder/userfiles/files/80253067763.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000da2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA2A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f241.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF241 | 10824 bytes |
SHA-256: 1844a0c5d27c846030642f6e4b450c6552ed27f640efd7d4e551ee229956f4ae |
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font_02_sfnt_off00010aea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AEA | 17756 bytes |
SHA-256: bc9076084a3a82b4a22b04de1c1d4ced64df8945cb73fb9ca257f4e6ac4f3b8b |
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