MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was flagged by a machine learning classifier and ClamAV as malicious. It contains numerous links to compromised websites and disposable hosting, indicating a phishing or malware distribution scheme. The PDF structure and embedded URLs suggest it is likely used as a lure to redirect users to malicious content, potentially leveraging JavaScript for execution.
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://crysiq.ru/uplcv?utm_term=bluetooth+sent+history+android
- https://alcoquimicos.com/ckfinder/userfiles/files/83355847779.pdf
- http://alarcon-v.com/editor_upload_image/file/rerilase.pdf
- http://haisushitogo.com/uploads/files/sopetazunegirob.pdf
- https://festival.bg/fckeditorfiles/file/36896308986.pdf
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139222f434ed---57059587180.pdf
- http://akkoryazilim.com/userfiles/file/39443666070.pdf
- https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/6a76ecc3ebae9e161612bd516e79bec2/milog.pdf
- http://factblogs.com/uploaded_files/userfiles/files/sejaluzoku.pdf
- https://icbacademy.com/upload/files/68065500165.pdf
- https://cafesca.mx/ckfinder/userfiles/files/89887966894.pdf
- http://creaorganization.com/depo/sayfaresim/file/13572295333.pdf
- http://tolaniprojects.com/userfiles/file/bebogad.pdf
- https://twinslock.com/ckfinder/userfiles/files/fowegadikimun.pdf
- http://elhammagazine.com/ckfinder/userfiles/files/99362143123.pdf
- http://solarissoft.com/img/userfiles/files/lerufenufavu.pdf
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161335ab280a8d---daberesilodalibegoraret.pdf
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16132a9ddad2ac---11861214993.pdf
- http://ryouhurt.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/52705452786.pdf
- http://phupmirpol.pl/userfiles/file/lezetovijo.pdf
- http://casaatlantida.com/userfiles/file///25760905720.pdf
- https://betsin.org/userfiles/files/mobumawosobavojafup.pdf
- http://multi-accueil.fr/ressource/site-image/files/kabidoduzizukifufival.pdf
- https://tranduongauto.com/app/webroot/files/images/pages/files/87833205666.pdf
- https://indikino.com/ckfinder/userfiles/files/nofagogusagen.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_off0000ce16.bin5f3677e4e2c01044bff81a32318c0e993af1d088dd356451b3907a5215ecb1d4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE16 | 17012 bytes |
font_01_sfnt_off0000fa76.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA76 | 16792 bytes |
font_02_sfnt_off0001128d.bin944984216f8ef1713263bb644a845f74f87fd68d1655f7b81c2a1912fe7477bf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1128D | 10612 bytes |
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