MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of embedded URLs, many of which point to potentially compromised websites or disposable hosting. Heuristics indicate this is a link farm, likely intended to lure users into clicking through to malicious content or phishing pages. The ClamAV detection and ML classifier strongly suggest malicious intent, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://abnigakgdsg.friendship-match.com/upload/files/68387345914.pdf In PDF document text
- http://standardamulet.com/files/files/vosavari.pdfIn PDF document text
- http://myrbacken.se/login/ckfinder/userfiles/files/sivoxemupezanegevasu.pdfIn PDF document text
- https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/ae2f82356328933bf370912b8f3a1c66/wojuzamefogijopupe.pdfIn PDF document text
- https://harkakotony.hu/UserFiles/file/8432197863.pdfIn PDF document text
- https://nguyenhungstone.com/uploads/image/files/15240261093.pdfIn PDF document text
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613aa0649ff4e---soxodolusezezanawonawisij.pdfIn PDF document text
- https://illinoisfiscalpolicycouncil.org/app/webroot/userfiles/file/pewatisodejadazofoka.pdfIn PDF document text
- http://inbjnews.com/data/cheditor/0603/files/93290779093.pdfIn PDF document text
- https://tradingphrases.com/userfiles/files/39895654916.pdfIn PDF document text
- http://gartenbaukoeln.de/uploads/files/24253873566.pdfIn PDF document text
- http://deborahkay.com/ckfinder/userfiles/files/puvudufojoso.pdfIn PDF document text
- http://www.fashiongale.ro/userfiles/files/63481937078.pdfIn PDF document text
- https://www.bmo-agencement.fr/ckfinder/userfiles/files/rojadetodajo.pdfIn PDF document text
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139b55023263---93320141067.pdfIn PDF document text
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/16130dd25cbc86---99002201881.pdfIn PDF document text
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612feb9edb470---52099513472.pdfIn PDF document text
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612e9fff34eab---lowigisanuvokif.pdfIn PDF document text
- https://zhavezbozi.cz/data/file/13628987342.pdfIn PDF document text
- http://self119.net/upload/userfiles/2021/09/files/210903015107.pdfIn PDF document text
- http://koppeika.ru/userfiles/file/16861981485.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=minecraft+full+androidPDF link annotation
- 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_off0000ada0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xADA0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c5b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5B2 | 14792 bytes |
SHA-256: 165f23faf0e48075daeb4f79881c9546ef604581fc5b3eb99799828054c2c6de |
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font_02_sfnt_off0000ea96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA96 | 10392 bytes |
SHA-256: 51ce5de6cde22a32af404fd7ec2fdfab2c9c68b2a7874505ef1714b3357c3cd2 |
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