MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many URLs pointing to potentially compromised WordPress sites or disposable domains. The presence of numerous unknown URLs suggests a distribution mechanism for further malicious content or phishing attempts.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://aqcorth.specialty-match.com/upload/files/gazuragadamedux.pdf In PDF document text
- http://charontrade.hu/data/file/damagegus.pdfIn PDF document text
- http://sskj.pl/userfiles/file/fesuzudelotoz.pdfIn PDF document text
- https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16133ac263fc46---numivip.pdfIn PDF document text
- http://2rent.gr/userfiles/file/bukodutomuwiwom.pdfIn PDF document text
- https://aprilboya.com/userfiles/file/gewodukelategupifefenuw.pdfIn PDF document text
- http://e-sheremet.com/img/manodulawigeziwiwutazo.pdfIn PDF document text
- https://rieker-consulting.eu/files/file/70782320579.pdfIn PDF document text
- http://evaemlak.com/userfiles/file///27783958925.pdfIn PDF document text
- https://ukmriptek.org/codeIgniter-hmvc/userfiles/files/71717045218.pdfIn PDF document text
- http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/8b26861fc5d97daf2bb48c7f484e0dc0/jefofelopezonadasugasofu.pdfIn PDF document text
- https://almudenafernandez.co/ckfinder/userfiles/Files/11301152870.pdfIn PDF document text
- http://cortocircuito.trialpanel.com/images/Upload/files/29971838088.pdfIn PDF document text
- http://hytechplus.com/userfiles/file/bifofuximapebuxij.pdfIn PDF document text
- https://mk-sito.it/uploads/file/wupomijudenabokoguj.pdfIn PDF document text
- https://j26clean.com/upload/files/52700707775.pdfIn PDF document text
- https://diphong.com/uploads/rotomig.pdfIn PDF document text
- http://vector-mebel.ru/uploads/files/tuwevelegujufifosoganarug.pdfIn PDF document text
- https://mountainbrookbuilders.com/home/mountain/public_html/ckfinder/userfiles/files/43132182214.pdfIn PDF document text
- http://ppfi-online.com/userfiles/file/buxolulimuwejajowupo.pdfIn PDF document text
- https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/pn0e86tcfb8go08cg3ss8a46q8/kojib.pdfIn PDF document text
- https://copab.tn/216mag.svn/uploads/files/9220937452.pdfIn PDF document text
- http://immodraft.de/images/architekten_agentur_images_/file/devir.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=nexus+one+pricePDF 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_off0000b1a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1A8 | 15880 bytes |
SHA-256: 53ebcd757413c46f3182ef70f7498e6a0035c445ce3e9c4ff2b7a561b1f4da8e |
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font_01_sfnt_off0000da1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA1A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f231.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF231 | 10240 bytes |
SHA-256: bb3f244961ec718db64469e3cc31d1a07dc1820c9a98805f3310d682588df6af |
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