MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites and other domains, likely serving as a distribution point for phishing or malware. The document body is heavily obfuscated and appears to be generated by wkhtmltopdf, suggesting it's not intended for direct user interaction but rather as a container for malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9930
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://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/sql2krbinqekrnvsnooj6op1s3/19651194382.pdf
- https://led7.ru/file/wajimewiges.pdf
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/c821828f886da4cfadefd0779d292008/temijavinadigubazomave.pdf
- http://haiphongcontest.com/images/files/22406690954.pdf
- https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8c0ba2eace---kulozal.pdf
- http://anhuizhkj.com/upload_fck/file/2021-6-5/20210605100345357929.pdf
- http://jun-travel.com/userfiles/file/nerupajubibovuvebog.pdf
- http://businessvaluationapp.com//fck_files/file/gonujamimipujizaririxavi.pdf
- https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a9a016506ac---piwadage.pdf
- http://portalcom-b2b.es/img/user///file/_0649595001619992054.pdf
- https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/6hr3g50trjbr7bdc3cbtbd4cpp/fozidufesuzufunowaka.pdf
- https://airtelco.com/data/users/_/email/files/96702258907.pdf
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/160c1a49fc21f8---75141121115.pdf
- http://cascinamana.it/userfiles/file/kukeduruzozevapuputobi.pdf
- http://thelonerangerfanclub.com/ckfinder/userfiles/files/komal.pdf
- https://thehouseconcert.com/ckfinder/userfiles/files/nivelixovujefe.pdf
- http://gayaarchi.com/userfiles/file/20210611210447.pdf
- http://baigeleather.com/userfiles/file/ratala.pdf
- https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/701a25a6fd5f1c027b3192bc88624056/22431590141.pdf
- http://rotarycochinharbour.org/ci/userfiles/files/26094990560.pdf
- http://jnnycc.org/userfiles/file/97709324924.pdf
- http://al-farh-iq.com/upload/userfiles/file/tutewi.pdf
- http://ibookingkr.com/FileData/ckfinder/files/20210707_B93629F569E42802.pdf
- https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/f34c10c0c4f2ad9b8206feb84830694d/xonilagubekepurat.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=apa+punctuation+with+quotation+marks
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f84a.bin202f9fcfcbc67f067a5152718a764607b64aaa8bed3503059b2a2257c1c93fa7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF84A | 10868 bytes |
font_01_sfnt_off00011154.bin42fc5877f696002c3ef819035ac60b7d35ffb1ba81b1707cb950a83df6595d5e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11154 | 17608 bytes |
font_02_sfnt_off00013eec.binfdc3f250e16d4eeaac0151c08e1678493ac6cc67090af3137bc700c4cd553891 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13EEC | 16348 bytes |
font_03_sfnt_off00015543.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15543 | 16792 bytes |
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