MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, directing users to compromised WordPress sites hosting further malicious PDFs, likely as part of a phishing campaign. The document body is heavily obfuscated and unreadable, but the heuristics and URLs strongly suggest a lure for downloading malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 7
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://atolab.it/wp-content/plugins/super-forms/uploads/php/files/fe3b9a97b892dd32531be34ffcfe0c04/puwatumamesonotisevodevim.pdf
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/1606fc028a8007---rosukefuzo.pdf
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac6ed8ec13a---boxupewil.pdf
- http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/160883ff54cae9---47569190011.pdf
- http://bsp-oblspl.org/ckfinder/userfiles/files/7738349046.pdf
- https://aslimitada.com/userfiles/file/57004852977.pdf
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afcc078febd---jopubuvejomibafemav.pdf
- http://inlygiaylynhua.com/upload/files/tufomizer.pdf
- http://shuswapladystriders.ca/userfiles/file/xanupufukusemipuvuv.pdf
- http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608bf6fb77c81---27110897997.pdf
- http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb86aefa78---28336651676.pdf
- https://panificioilcavaliere.it/userfiles/files/xagesekalog.pdf
- http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160898550a445e---nelibawokufusejifigito.pdf
- https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/nvsimrks5v13hd12qht56t2lj1/lanugaxomizowas.pdf
- https://futuresbuilder.net/dayafter/uploadimages/newsimages/file/41474100855.pdf
- https://e-lightingcontrols.com/wp-content/plugins/super-forms/uploads/php/files/c8a82bfa5fb55c56f5b6195e35e01f46/3196087062.pdf
- https://aedwea.com/upload/foto/kanavafiregan.pdf
- http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090b2c0b04a9---50458887235.pdf
- http://ibb-online.ru/f/file/21934374433.pdf
- http://vita24h.com/uploads/userfiles/file/gasedapis.pdf
- https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160a9af2262ec3---95895478444.pdf
- https://www.apartamentselsllacs.com/wp-content/plugins/super-forms/uploads/php/files/5jcptq9556vnp9fa72jf78j8ko/dukoxidejesaligiva.pdf
- https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbb1d2db1fb---5710362350.pdf
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16081724a5dad3---batokenu.pdf
- http://tubietelbar.hu/uploadfile/tuwibusidinilovukoto.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=the+assets+that+can+be+converted+into+cash+within+a+short+period
- 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_off0000f954.bin22cba5c95544f3f78b0ff145f7595f2d32dabb273edd89972c48ce1ff697f30d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF954 | 18032 bytes |
font_01_sfnt_off0001285e.bin0a871faad411d8d523f7a4449413cfc37b1e47de16db1e68a0282feff54b7d23 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1285E | 10820 bytes |
font_02_sfnt_off00014123.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14123 | 16792 bytes |
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