MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
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 compromised websites, suggesting a phishing or malware distribution campaign. The presence of external URI links and link farms on disposable hosting indicates an attempt to redirect users to malicious content.
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://pistant.ru/uplcv?utm_term=onenote+merge+cells
- http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608785c84af1a---93303765909.pdf
- http://hsi-international.com/ckfinder/userfiles/files/vugajeligovipikinuji.pdf
- http://hzdsbg.com/uploadfile/1623822683.pdf
- http://kompletucetnictvi.cz/files/file/86128420969.pdf
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/16082149f8f43b---netesebibagajupufobemowu.pdf
- http://katachizu.com/img/news/files/19244674064.pdf
- http://roocenter.ru/upload/file/10239587386.pdf
- http://r2doodles.com/clients/4/4a/4a4ed909dcef54c1e3ec6a0ce1d29f2d/File/jogivozizexonowugerop.pdf
- https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/e45a31571b688885a629646508ce1c8a/sojimofalafaze.pdf
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607841727db05---zadimavevuget.pdf
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160861cce59c4a---lebevikere.pdf
- https://www.bakirkoytemsilcisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb4ff4244a---75976748102.pdf
- http://www.microsinusectomi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bcdaec2cb7---taxogejuwitalot.pdf
- http://rallyteamwalraven.nl/file/67593778455.pdf
- https://cashmeredreams.com/wp-content/plugins/super-forms/uploads/php/files/56f2a78a5d0ed8909141d7719ad674cc/razosamazuvademikon.pdf
- https://akapacha.com/userfiles/file/20302961835.pdf
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160876f6eaec33---9809685337.pdf
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/a766aa93bbf0386b70e36551de322ff8/patexuvojusegasuxeresoduk.pdf
- http://opalsolar.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609553d74e376---jetujagizodonirokeg.pdf
- https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c671a9e434---23123752658.pdf
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/16084144d0b3ae---xomokadoz.pdf
- http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608e365ed1026---lekedetalatafiro.pdf
- http://therealmccoyfamilyreunion.com/clients/f/f9/f9ea119420dddc0cc5ac7622830b9f68/File/51744273041.pdf
- https://lotteppta.com/beta/assets/file/48248920940.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_off0000f10e.binf83e37186a912b6f060070a718538bb425ebd51e240dbd60e725db081e312712 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF10E | 10344 bytes |
font_01_sfnt_off00010869.binee78a48c21bbdd1befe8eda1d4fe1726031e59081320721d9be7732929eb07ce |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10869 | 17656 bytes |
font_02_sfnt_off00013693.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13693 | 16792 bytes |
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