MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It functions as a link farm, directing users to numerous external websites, some of which are hosted on compromised WordPress upload directories. The primary attack pattern involves luring users to potentially malicious sites through a collection of links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://agnieszkapawlik.com/userfiles/file/zitete.pdf
- https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088535d018f0---mibajiruwo.pdf
- https://www.reachcast.ca/wp-content/plugins/super-forms/uploads/php/files/45ae754fa44a2cffeafeaf57351ef3a7/mojinezesibebuloju.pdf
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a03a051d99c---38957630101.pdf
- https://gagiongvitgiong.com/ckfinder/userfiles/files/sijejevumovudoletimux.pdf
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/1608645cc4789c---wudipowolojesoviriwavado.pdf
- http://tort-art.ru/userfiles/file/93347658879.pdf
- http://sanarina.de/ckfinder/userfiles/files/ramozodalafejerirevadu.pdf
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/160d3bb7ab463d---mumafumorarolubiseku.pdf
- http://malbreil.com/userfiles/file/wadivotosofovazosob.pdf
- http://hyundai-dongdo.vn/images/files/pamutedofowilifip.pdf
- https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074160a80cac---pikiwubisasalokejip.pdf
- https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608107fc162bb---jofovoxo.pdf
- http://amandatravel.com/userfiles/file/4173201118.pdf
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/3ab37e591117fd114f111e81bdd76bd2/72770240719.pdf
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/cm6fri5m44910de3ck7u7li723/62549927457.pdf
- https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/12304efbaade178b4d68f930d7af9a01/50437768324.pdf
- https://burgas-remonti.com/userfiles/file/lazobasikosafumibula.pdf
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c7a16c916fc---bijodusinafawojanutemu.pdf
- http://tomaszskiba.com/userfiles/file/8208809163.pdf
- http://www.klimavill.com//data/editorfile/tazojadex.pdf
- http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5d04327b15---widulusaminadatilodil.pdf
- https://almoheetmanpower.com/public_html/userfiles/file/wipevivafamef.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=is+carbon+dioxide+a+pure+substance+or+mixture
- 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001182f.binf81376fe2038f2593ef932db1e01791ec92ea7d0fef2159d37acaebbf5364728 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1182F | 17568 bytes |
font_01_sfnt_off000145b4.bine8cc574948b80d844493f0a9a67d976f01230e1fc99071856dfbf22d01731757 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x145B4 | 10924 bytes |
font_02_sfnt_off00015ed6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15ED6 | 16792 bytes |
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