MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external links, many pointing to compromised WordPress sites, suggesting a phishing or malware distribution campaign. The ClamAV detection and ML classifier strongly indicate malicious intent, classifying it as a phishing trojan. The document body is unreadable, but the heuristic findings are sufficient to determine its likely purpose.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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://medvor.ru/uplcv?utm_term=lg+g7+thinq+specs+and+features
- https://www.marvistasales.com/wp-content/plugins/super-forms/uploads/php/files/1dcd89d57f780b163d9af1e1c13656d2/90440818770.pdf
- http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b818360ba10---67869621733.pdf
- https://lasvegasrebath.com/wp-content/plugins/super-forms/uploads/php/files/ec73ee9e4b60958f34e88ad1af7eb009/sabakosesirififisuvefoz.pdf
- http://svaz-podnikani.cz/files/file/zozox.pdf
- https://dacinsara.ro/fckfiles/file/fakakofedutijoxuzisu.pdf
- http://klubalfa.org/img/userfiles/file/97657691119.pdf
- http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/160847d3980ce4---34947962201.pdf
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160c8db5fbaeb9---78860769124.pdf
- https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/e9f2b0eef23a321689911c2498767292/6305681454.pdf
- https://fellowpeo.com/wp-content/plugins/super-forms/uploads/php/files/e0f5ae1061e64582528065448f2888df/pubogibusiraralop.pdf
- https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/5eb0d4424d544d1d12c91601ceb4d8f5/tisasewunenawop.pdf
- http://taeguektour.com/FileData/ckfinder/files/20210712_2051F64803AE9195.pdf
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b00aeb45d78---dibujarukexokepigef.pdf
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160eff56b1f20c.pdf
- https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16076bb849345a---40888936466.pdf
- https://lightingsystemscol.com/wp-content/plugins/super-forms/uploads/php/files/462290be65d91a770957804d81f65d7c/zuzeduluxogoxaxazekijela.pdf
- https://xn----8sbcehyodmtf1czh.xn--p1ai/userfiles/file/perezide.pdf
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16092df16beba3---senalad.pdf
- https://www.lindopoint.it/wp-content/plugins/super-forms/uploads/php/files/531da1c70e5fbdd5bc2338883b35e478/60499723665.pdf
- https://podereilmontaleo.it/writable/public/userfiles/file/54686797495.pdf
- https://haps.company/wp-content/plugins/super-forms/uploads/php/files/emlq205ktvjmi77emjco6dhac7/12211547664.pdf
- http://hit-air.pro/ckfinder/userfiles/files/74443085888.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_off0001131f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1131F | 16792 bytes |
font_01_sfnt_off00012b31.bin3ed9e3b3c368a228ac024e0bb09a04a39b5e28df7d7480fe381852adbaff3361 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B31 | 17868 bytes |
font_02_sfnt_off00015a7a.bine4558252651b5d4d3b2eabf08283895fbcda894e882ae67dfb20b7ac65267d19 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15A7A | 10984 bytes |
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