MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous links, many pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users. The presence of a 'utm_term' parameter in one URL indicates a potential phishing or malware distribution campaign. The ClamAV detection and ML classifier further support its malicious nature, likely serving as a lure for users to download potentially harmful software.
Machine Learning
- Nyx PDF Classifier malicious score 0.9769
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=download+ldplayer+for+pc+64+bit
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/66216356e39be390a0d98bb4e1a79502/49877854019.pdf
- https://exporoaster.com/app/webroot/files/images/pages/files/zevumatuvuropawi.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a402d970b78---bojokorobeb.pdf
- http://hzjksj.com/images/upload/File/venudolusiri.pdf
- https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/9d6fcf014650cb392a07b89933899b1c/zawotupidetenimebugekole.pdf
- http://khyljg.com/uploadfiles/files/sivojasavejam.pdf
- http://xn--80aatg4aaaddkhfhbf3evf.xn--p1ai/ckfinder/userfiles/files/14274120497.pdf
- http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/160b71be5aaed8---38732122127.pdf
- https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/5j5njcsrcg1vqq182473tcesva/4422863232.pdf
- https://canadianrelocation.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a92ca758668---xawutuketuzatumuses.pdf
- http://wamer.org/userfiles/file/fokaxon.pdf
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f897b3ffee---67720212861.pdf
- https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/8a8d72e72bfe3d06823cb5e70e8d28f1/51062649575.pdf
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/c2dae97c90fc82414ba991a27548086e/24272801880.pdf
- https://fotobolfestmeny.hu/mvc/userfiles/file/maviwojapobaxo.pdf
- http://www.tomasjelinek.com/img/pub/file/1151040689.pdf
- https://eobliecky.sk/userfiles/file/64060033295.pdf
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf0218f056a---88826820564.pdf
- https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/9d7a340513f4934c6f6996e6772e1e71/52959281892.pdf
- http://anandamsanyal.com/userfiles/file/podulirawewez.pdf
- http://ash-graphy.com/userfiles/file/bevetudojologukugalom.pdf
- https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/160b3b8b520e8c---zerumoponuxu.pdf
- http://n2nlah.org/UserFiles/file/84307265949.pdf
- http://kondicionery-krasnogorsk.ru/upload_picture/file/gusagosugegudokofukal.pdf
- https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/0e3749c0ed908a796215435bb1277414/berezoti.pdf
- https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/349a53628d6795b47432e6b368447bd9/15696698299.pdf
- https://www.pennlighting.com/wp-content/plugins/super-forms/uploads/php/files/de175027650064b0f13f9ff95fb1db08/6598628455.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f202.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF202 | 16792 bytes |
font_01_sfnt_off00010a19.bin311d4be729faadee64953e2485c1281852980a4ae3ec253f4aae7d3a7da407ed |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A19 | 11032 bytes |
font_02_sfnt_off000123ba.bin00b1f632e8afe72716c8bcdb76b7901b56c060d1dc0f96f3f5c1b8373b85735b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123BA | 16140 bytes |
font_03_sfnt_off00013932.bine3cf2697544817df0b9701cb46b9e694498096973525734c43680cf25cc91cf4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13932 | 17360 bytes |
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