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. It contains numerous links to external websites, many hosted on compromised CMS platforms or disposable domains, indicating a link farm designed to redirect users. The presence of these links suggests the primary goal is to direct users to malicious content or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://xanbiente.de/userfiles/file/73303292903.pdf
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608539a4b1157---8227400465.pdf
- https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/a09da81db41c8128f607c9f161b3161f/vikab.pdf
- https://its-bulgaria.bg/files/file/xegudebupiwujof.pdf
- http://lushexperiences.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096368727928---limepuxifevana.pdf
- http://marcobernini.it/userfiles/files/vaxav.pdf
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a5fbbec7ca---zagufizelu.pdf
- https://mauspro.net/upload/files/gigek.pdf
- https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/l4f4h64s482trv7ftq8j4dbclj/30782876054.pdf
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082727642a33---guded.pdf
- http://chatfieldfarms101.com/userimages/22427196998.pdf
- https://amd-export.com/site/upload/file/20048141323.pdf
- http://exito-opakowania.pl/userfiles/file/nazukerefidila.pdf
- http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac01be3edd8---55348711902.pdf
- https://rosemonttherapy.health/wp-content/plugins/super-forms/uploads/php/files/t2771p4ant24igpileohv2v19l/535238638.pdf
- http://slenderclub.cz/ckfinder/userfiles/files/73546050725.pdf
- http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608c8b896ec99---xenib.pdf
- https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/160919461c2eea---78938137187.pdf
- https://baxsporthorses.com/userfiles/file/kenitepazifumeniz.pdf
- http://libertyquad72.fr/userfiles/file/64638158817.pdf
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607b9f64a7365---52006230938.pdf
- https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/39ff0c5d234ae30f64acd57895891a61/gitetewitesidavekifux.pdf
- https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/dd1e6b8ae96d0bfcc0ff911a9a1bf3bc/wetetemimosipaxalumud.pdf
- http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160807ce497376---misegonunev.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=another+word+for+a+bad+day
- 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_off0000fa14.bin51bb1b52e01bc66f51607aae5765a2df5e43e35d0fc31f1fa64ae38cf6251d2a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA14 | 17120 bytes |
font_01_sfnt_off00012674.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12674 | 16792 bytes |
font_02_sfnt_off00013e8b.bin1daa1d28f54a01940272151ccd92500d4c80e1d7328a947369a4f8b6bae86d63 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E8B | 10464 bytes |
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