Malicious PDF — malware analysis report

Static analysis result for SHA-256 88365ff076ee84cb…

MALICIOUS

PDF

31.2 KB Authoring application: Serif PagePlus First seen: 2020-09-04
MD5: 8cf7c3a1d80753c91fd234f74a138af8 SHA-1: 2defcc938f8acd029a1772ae85f7d3046beaa9f3 SHA-256: 88365ff076ee84cbab113ebff56db9b7bf70d712f65143325a325f1bdd5afa38
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains a large number of embedded external links, identified as a link farm. This technique is often used for SEO manipulation or to distribute malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, classifying it as phishing or malware distribution. No scripts were extracted, but the embedded URLs are the primary indicators of compromise.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 3

  • 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.
  • 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://freespiritsewingstudio.com/uploads/1/3/0/5/130550857/4700502.pdf In PDF document text
    • http://muzoemerald.net/uploads/1/3/0/2/130288600/b356beba59a76c.pdfIn PDF document text
    • http://millersgardenservicessuffolk.co.uk/uploads/1/3/0/4/130483243/3a452e8a4.pdfIn PDF document text
    • http://nsanegriplegendcarscom.com/uploads/1/3/0/5/130588231/545961.pdfIn PDF document text
    • https://memopaburox.weebly.com/uploads/1/3/0/5/130551457/bd4f19.pdfIn PDF document text
    • http://wokejoke.com/uploads/1/3/0/2/130271217/7471238.pdfIn PDF document text
    • http://dianneloftus.com/uploads/1/3/0/4/130476548/f226381ebb9.pdfIn PDF document text
    • http://barkersteel.net/uploads/1/3/0/5/130590672/berati.pdfIn PDF document text
    • http://calhounheritagep.com/uploads/1/3/0/6/130639071/wulefupowifa.pdfIn PDF document text
    • http://xuximaguge.yourbestgame.pw/uploads/2020/01/28/5421131.pdfIn PDF document text
    • http://ericamcquiddypsyd.com/uploads/1/3/0/6/130605034/vadikemivek_batugaxiluwabig.pdfIn PDF document text
    • http://sweetestdreams.org/uploads/1/3/0/3/130379462/130379462.html#receta+imss+editable+2017In PDF document text
🗂 Part of campaign: soulilluminations.com 4 samples

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_off000012b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12B6 8376 bytes
SHA-256: 2f326a5000e3d71a36ee693595fad885a1421ebcd099a6d64a7b46e847a83401

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