MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV detecting it as a phishing trojan. It contains numerous links pointing to compromised CMS upload storage and disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://nomylo.ru/uplcv?utm_term=how+to+survive+in+this+world+without+money
- http://chemonova.com/FCKeditor/file/wekenafexivalesetej.pdf
- http://flexa.cz/docs/file/47637666423.pdf
- https://carpanea.it/wp-content/plugins/super-forms/uploads/php/files/fe6882373f667b4014159c2835b4d68b/murixodaxubo.pdf
- http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609d77309dacf---31139172393.pdf
- https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/d267603391abb3bbf5e548cace5ce2d1/fumixidukanadetu.pdf
- https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079521b38568---10919086970.pdf
- http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/rl0dsmtcifmeemaipog9bsltg3/mokifok.pdf
- http://topoint.cc/userfiles/fckFile/20210616110151.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c3df286a917---vozaxujujebamu.pdf
- http://www.orhancoskun.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084fbdc916f5---rowadalodux.pdf
- https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/f708b2308daf056133f0dd336e13d11f/19773124602.pdf
- http://fine-cottage.ru/userfiles/file/55663754002.pdf
- http://creativeindustries.ru/uploads/userfiles/file/41333415113.pdf
- http://asude.istanbul/ck_images/files/jokazevudowuxaxejodebi.pdf
- https://asthasupermarket.com/userfiles/file/33801907876.pdf
- http://biotledlight.com/userfiles/file///79256739838.pdf
- https://avela.md/userfiles/file/76175226540.pdf
- http://shreyaghoshal.com/konadnew/userfiles/file/baranokejelepofisi.pdf
- http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a9b9a50ab92---55052988671.pdf
- http://apexnepaltravel.com/userfiles/file/vopivokupimexujajaso.pdf
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d352fec3a0---41492183272.pdf
- https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/9eaq9jpbj18tokp8v6384pmhk2/53695662592.pdf
- http://www.onlinetemsilci.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bcdefa6265---xelosebufirexupuwu.pdf
- http://akkoryazilim.com/userfiles/file/xokomulalori.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_off0000d171.binc4c6b35bb4ffd6cea71f3c33abaeb9baf7ac4e23bb906c47fb4719c9dea3cd67 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD171 | 17136 bytes |
font_01_sfnt_off0000fd31.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD31 | 16792 bytes |
font_02_sfnt_off00011548.bin22ebd4e635b8095481bd29de021d6b500418563f10f4f59cfc9e578225fa43cb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11548 | 10708 bytes |
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