Malicious PDF — malware analysis report

Static analysis result for SHA-256 1da8121edf107ebb…

MALICIOUS

PDF

51.3 KB Authoring application: pdf-parser First seen: 2026-05-09
MD5: f3fb5d17eedb4b0cb92990b7ad9487d2 SHA-1: d28f0d3d7dd11cac4ddf64266f68b0e96291b716 SHA-256: 1da8121edf107ebb7fea6218e5b4eb233b54fc647cf17f216285b528de45ae5f
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of external links, identified as a PDF_SEO_LINK_FARM heuristic. This suggests a tactic to distribute malicious content or phishing lures through search engine optimization. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious traffic distribution intent. No scripts were extracted from this sample, and the document body primarily contains obfuscated data and URLs.

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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://alphaofficium.weebly.com/uploads/1/3/0/5/130589094/ed2da7796872e1.pdf In PDF document text
    • https://dimopemizizexa.weebly.com/uploads/1/3/0/2/130274370/jukeleloxipav.pdfIn PDF document text
    • http://dutchesstraveldiary.weebly.com/uploads/1/3/0/6/130621501/d1d7f0d9.pdfIn PDF document text
    • http://bestbroadbandsupplier2019.co.uk/uploads/1/3/0/3/130313153/tisudilexug_mezarefof.pdfIn PDF document text
    • http://donotforgetme.org/uploads/1/3/0/6/130620549/zujojubudurulunobi.pdfIn PDF document text
    • http://depewa.tehnews.ru/uploads/2020/01/28/xaxegixokoboxava.pdfIn PDF document text
    • http://onlinebibelskole.info/uploads/1/3/0/4/130476657/8ee01bbfbd.pdfIn PDF document text
    • http://sazawav.aerogarant.moscow/uploads/2020/01/29/4607540.pdfIn PDF document text
    • http://bartolomeilaw.com/uploads/1/3/0/5/130545278/130545278.html#cabal.+exe+fileIn PDF document text
    • http://linux.thai.net/projects/fonts-tlwgIn PDF document text
    • http://www.thaitux.infoIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000013ce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13CE 9148 bytes
SHA-256: 1fcef18e73e7c486c2804957680a5a27c2cd613d2ca7bffe42d9ac5cbc5d07fe
font_01_sfnt_off00005a2f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5A2F 16500 bytes
SHA-256: 67fc5177fd584259d92df2d04361ee5812aeaf6169251fafb29fd1ddf16900d3
font_02_sfnt_off000071fa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x71FA 16644 bytes
SHA-256: 013ea181d5bc09ec1a0ec6c5c1777d30e76503e56010af68c71c1e4d5e51e2f4

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