MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to various domains, many of which appear to be part of a link farm hosted on potentially compromised or disposable infrastructure. The primary function seems to be redirecting users to external sites, likely for phishing or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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=not+getting+messages+on+my+ipad PDF link annotation
- http://homeshopeez.com/uploaded_files/userfiles/files/nudopu.pdfIn PDF document text
- https://duongthuy.net/userfiles/file/ranijomudixuja.pdfIn PDF document text
- http://bigyikesmedia.com/home/xtremweb/public_html/consultinstitute/web/upload/files/kedasefezawerisuloto.pdfIn PDF document text
- http://bodegaadrover.com/userfiles/imagenes/13104679234.pdfIn PDF document text
- http://adhdesign.de/userContent/files/20210912174647-54248999594.pdfIn PDF document text
- https://www.iieng.org/editor/ckfinder/userfiles/files/setuwegugegenifebuga.pdfIn PDF document text
- http://divapharma.com/uploaded/file/79000796671.pdfIn PDF document text
- http://sprinter-lab.ru/content/File/96791579416.pdfIn PDF document text
- http://madinagirls.com/easydo%20v2.00/files/uploads/32015125554.pdfIn PDF document text
- https://retrofitoman.com/ckfinder/userfiles/files/bawevolaso.pdfIn PDF document text
- http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1612f4bf314765---93484837671.pdfIn PDF document text
- http://zssadkowice.pl/pliki/30566193320.pdfIn PDF document text
- http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132369a6e8fb---nefabutonoxifemezafa.pdfIn PDF document text
- http://constantemail.com/userfiles/file/1630466993nobowirixoravisoweni.pdfIn PDF document text
- http://sm300159.agchost.com/userfiles/files/kidewizufewix.pdfIn PDF document text
- http://cjmfgx.morefriendship.com/upload/files/28654050736.pdfIn PDF document text
- https://geya99.com/ckfinder/userfiles/files/bezexiwikajadizi.pdfIn PDF document text
- https://medsplus.us/admin/images/file/jezapuvizozezovox.pdfIn PDF document text
- https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613613a323e26---15889079211.pdfIn PDF document text
- http://www.dfdtrading.sk/ckfinder/userfiles/files/18170676056.pdfIn PDF document text
- http://mrpokedb.com/uploads/files/52040673758.pdfIn PDF document text
- http://susasoft.com/upload/userfiles/files/wiwobamevebinugig.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_off0000d695.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD695 | 17556 bytes |
SHA-256: a2629ff1ab32dd5420392f7ae65816b8a4cba5a3bc65e443ec77457ba62491c0 |
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font_01_sfnt_off000103de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103DE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011bf5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BF5 | 10680 bytes |
SHA-256: df7f083320ebfcedaafcc3b2f427224840a1d23864733dc77c5aed844b925c3f |
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