Malicious PDF — malware analysis report

Static analysis result for SHA-256 7db2c7c6880b9e1f…

MALICIOUS

PDF

36.3 KB Authoring application: pstoedit First seen: 2026-05-09
MD5: b107adccd6ca122cf337f9d962c86223 SHA-1: 6b51fb30c7c1f73681ace2dd823a18b9709358e2 SHA-256: 7db2c7c6880b9e1fa8eb51482600b380cf4e17afa41e1c7a1896e697c4dc8451
192 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file exhibits characteristics of a link farm, containing numerous embedded URLs pointing to other PDF documents. The heuristic 'PDF_SEO_LINK_FARM' and the sheer volume of extracted URLs strongly suggest this is the primary malicious function. While no scripts were explicitly extracted, the presence of embedded URLs and the ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' indicate a phishing or malicious redirection attempt, likely delivered via spearphishing attachment.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 4

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
    PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
  • 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 http://news.wildmillers.com/uploads/1/3/0/2/130287394/gamapopunivul.pdf In PDF document text
    • http://saltcitysoccer.com/uploads/1/3/0/3/130379067/momava.pdfIn PDF document text
    • http://www.dsmarcscreteil851239509.fr/uploads/1/3/0/7/130739895/judinunuvitirufulos.pdfIn PDF document text
    • http://myconflicts.net/uploads/1/3/0/2/130292110/nirap_mafudone_vujumisigame.pdfIn PDF document text
    • http://aiofyou.org/uploads/1/3/0/5/130588921/7116e4.pdfIn PDF document text
    • http://nationalrpoclinic.com/uploads/1/3/0/6/130604286/a3c5fbc2.pdfIn PDF document text
    • http://newnextsf.com/uploads/1/3/0/3/130313145/2700428.pdfIn PDF document text
    • http://echoparkpsychotherapy.com/uploads/1/3/0/6/130621451/2827228.pdfIn PDF document text
    • http://oppenheimerindustries.com/uploads/1/3/0/5/130539553/zinoliwobufug.pdfIn PDF document text
    • http://fabricfrostingandfrills.com/uploads/1/3/0/6/130640092/8434463.pdfIn PDF document text
    • http://nw-oregon.net/uploads/1/3/0/6/130621446/cb07d3692f7ff.pdfIn PDF document text
    • http://northscottsdalevacationrentals.com/uploads/1/3/0/4/130435982/refokenepafoku.pdfIn PDF document text
    • http://thesafereturns.com/uploads/1/3/0/2/130288554/2715103.pdfIn PDF document text
    • http://hypnose-kinderwunsch.com/uploads/1/3/0/3/130379101/130379101.html#belimo+6+butterfly+valveIn PDF document text

Related samples 1

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000028a5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x28A5 8008 bytes
SHA-256: a08d0169bb72b2efce47244446e7ffe5a43f73bda0d0877c809b023374718bb6

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