Malicious PDF — malware analysis report

Static analysis result for SHA-256 7e760af6eb862056…

MALICIOUS

PDF

79.8 KB Created: 2021-06-29 22:18:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05
MD5: a7b251ea0bf0893a865c53de7034de66 SHA-1: 801650d88e2dc964eb25f662ea2e5eb53dc5d892 SHA-256: 7e760af6eb862056f547351e97484d642c80f4f8f9603e4c98cf1872344ca6c7
196 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous links to external websites, many of which appear to be compromised WordPress installations used for hosting further malicious content. The presence of a 'Password-protected archive handoff' heuristic suggests the PDF is intended to trick the user into believing they need a password to access an archive, which is a common tactic for evading initial security scans.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

Heuristics 7

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF 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.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The 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.
  • Embedded URL info EMBEDDED_URL
    One 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=need+for+speed+underground+2+ps2+rom PDF link annotation
    • https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/d14e5c163c626354fff9a481a601c651/kamenozetamewazibobelurij.pdfIn PDF document text
    • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/16094351e2fdb8---61329022612.pdfIn PDF document text
    • http://a-kamen.com/userfiles/file/46867121012.pdfIn PDF document text
    • http://doo-san.com/userfiles/file/20210618123525.pdfIn PDF document text
    • https://youstore21.com/wp-content/plugins/super-forms/uploads/php/files/250ad35defacb8f6305bed581ae6c3a6/82143124237.pdfIn PDF document text
    • https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/16085696c033b9---50384805186.pdfIn PDF document text
    • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a0b931e6291---2189922656.pdfIn PDF document text
    • http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/t36mtkj0ebqoj0ga0aoc0jtiap/mufodolufip.pdfIn PDF document text
    • http://everettsbarbque.com/clients/b/b0/b0b566c85bab127526a414587b81487f/File/giwilolivizifojalijixa.pdfIn PDF document text
    • https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/1e70jvqt3t7hmr39h88j7nn9k3/6511391266.pdfIn PDF document text
    • https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/c91a04011bf8f5c8a267f2ead5243608/fidesuvozu.pdfIn PDF document text
    • http://drairtools.com/ckfinder/userfiles/files/fewolivan.pdfIn PDF document text
    • http://tamilannuaire.com/var/www/vhosts/vps296430.ovh.net/tamilannuaire.com/images/file/48049698535.pdfIn PDF document text
    • http://businessplan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/fiwerivexisovisutegupus.pdfIn PDF document text
    • http://scissortailfarms.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4b8520bffe---64392214408.pdfIn PDF document text
    • https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/1e29dcfe8ce7309c22d88f3dee9e40a9/83228288002.pdfIn PDF document text
    • https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/ndgblklsaag2fs5gn500m1jh22/92439310147.pdfIn PDF document text
    • https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/44bfa792c7b78f4b0ec1fa1c86c943f1/viledofu.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d2fd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD2FD 10640 bytes
SHA-256: 845d511aead08f821022cefe6897486dfdabd45ba175e3d424531549fd958ce7
font_01_sfnt_off0000eb27.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEB27 17728 bytes
SHA-256: 5f0e5040a8866126db2a2ca99d30386e11ee0679e7803c6e4911a3857104fe34
font_02_sfnt_off00011a3d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11A3D 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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