MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The document functions as a link farm, containing numerous URLs pointing to compromised WordPress sites, suggesting a phishing or malware distribution scheme. The presence of external URIs and link farms on disposable hosting indicates a deliberate effort to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://inwebjor.ru/uplcv?utm_term=i+ve+been+reading+books+of+old
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e19a2c1481---ruxonujirisewitubovezux.pdf
- http://phenix-security.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609412c965233---zizoresufemodeg.pdf
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/511lmocd1nsqg6vd45m7gu4dvt/famukerodutu.pdf
- https://advantagelic.com/singhania/downloads/file/65756848070.pdf
- https://awlights.com/wp-content/plugins/super-forms/uploads/php/files/e0f7b94bde7658309a9d65bdc6a9ff6f/jafoloruzupeluxamolu.pdf
- http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5203a8220d---tuwerexu.pdf
- http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/1d903458a87bd4b0543ba36e0956bf03/nuvomusifawe.pdf
- https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160968fa50df7c---43178090595.pdf
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608370f18da0b---13414211057.pdf
- https://kis-u.com/page_data/file/20210621104354.pdf
- http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078ba1642339---xitip.pdf
- https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/cbe9f2f56d66cba9901fa788e078d17d/29446411384.pdf
- http://alpanelektrik.com/depo/sayfaresim/file/zonovufesupizi.pdf
- http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608b92c593bd9---lujutoj.pdf
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/59971f8d3b985f9c3a808382796c357e/12767333420.pdf
- https://ncsccalgary.com/userfiles/files/vukewidabuzezenegawojobi.pdf
- http://popnmusic.fr/userfiles/file/mirepazizej.pdf
- https://jdlpartnerss.com/userfiles/file/petosa.pdf
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16083e9eec92f7---bugozakarud.pdf
- https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/6a8649c4ebeb79354bd721b97c097650/neneworevanit.pdf
- http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160b811ee5b408---gipakotamivozilek.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_off0001733c.bin3d46248509d50dc567bcc626db5ff88614ce9fa78199626f6d68d50a4898c15c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1733C | 19908 bytes |
font_01_sfnt_off0001a5dc.bin89a275b282d9f27f496e8b8c3f544bcc45aeeca011bbafa04e3533104747275b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A5DC | 10680 bytes |
font_02_sfnt_off0001be3b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1BE3B | 16792 bytes |
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