MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links pointing to potentially compromised websites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. While no scripts were explicitly extracted, the PDF structure and embedded URLs indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://smidgel.ru/uplcv?utm_term=how+to+upload+picture+in+pdf
- http://desushibar.com/userfiles/file/timunanavixawenelimokulom.pdf
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc0705f9d6---legofavixinidolewufo.pdf
- http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afc6c16bd0d---16845095114.pdf
- https://vetranhtuongmamnon.vn/wp-content/plugins/super-forms/uploads/php/files/af2omi43m45nru7mqm45tk1hel/tisosevapodojusomozowum.pdf
- http://51www.org/uploadfile/file/54f0477e65434eaa208070ad59050650.pdf
- http://agiusfuneraldirectors.com/files/file/47187040815.pdf
- https://foxtailmag.net/wp-content/plugins/super-forms/uploads/php/files/6fc653aac14c08aa8a5e6857065c82eb/fijigejixuwajiwa.pdf
- http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607052cf38bb5---11370850097.pdf
- https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/ece10ae107441692356bfcfec199c678/jorofobuloj.pdf
- http://bellsazshihtzu.com/clients/878694/File/tudajewuna.pdf
- https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160a6f1042e6a2---48336236053.pdf
- https://monacollection.ua/wp-content/plugins/super-forms/uploads/php/files/b70688e270fd6025b58a8cf3e3274343/61671058877.pdf
- http://xn--80aagkbrca3apkgkee0a1bi.xn--p1ai/ckfinder/userfiles/files/81700779154.pdf
- https://ooo-kenk.ru/userfiles/file/23368472690.pdf
- https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/75b373ac93e0da8966404d7476e5e1f8/41501346658.pdf
- http://xn--90aoj0agf7cq.xn--p1ai/uploads/files/funiruwirexuj.pdf
- http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/1607d4b9fe9a8c---10062110974.pdf
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b354691cd20---dunusegaxodil.pdf
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ff4b6bcf1c---diwozaka.pdf
- https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a6593906ed1---nerigisi.pdf
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfe10883c76---vetedotafodamilozijoj.pdf
- http://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083fa3a27a5a---defufama.pdf
- 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_off0000e4d4.binbf9a98d1d68fa2de6a7d86bc58313fb17b0220d77d86e8a2dbdb51141b16f391 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4D4 | 17248 bytes |
font_01_sfnt_off0001120b.binf0616653cbf7244938da65ab61340188ab5fd0eb867b90c81fadde36662df509 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1120B | 10620 bytes |
font_02_sfnt_off00012a6f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A6F | 16792 bytes |
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