Malicious PDF — malware analysis report

Static analysis result for SHA-256 d09d40c3eabccec0…

MALICIOUS

PDF

120.9 KB Authoring application: SWFTools First seen: 2020-09-24
MD5: 3993e51d41c2addc94ac1f3cbf821f67 SHA-1: cd0979d46ae49bf796ff13ac884a228d89a0b6c0 SHA-256: d09d40c3eabccec0ffee701a94bccf25c761769d0be24470e0b1d85a80d5d2ad
192 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF file contains a large number of external links, identified as a PDF SEO link farm, likely intended to drive traffic or distribute further malicious content. The document's content and structure align with advance-fee scam lures and callback phishing pretexts, aiming to deceive users into clicking malicious links. The ClamAV detection further confirms its malicious nature.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9979

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://elliottgoldberg.com/uploads/1/3/0/6/130622058/7ca1767f9.pdf In PDF document text
    • http://anonnetwork.net/uploads/1/3/0/5/130589058/7252598.pdfIn PDF document text
    • http://themanadvice.com/uploads/1/3/0/3/130379074/3c8d6e29403ab86.pdfIn PDF document text
    • http://deziz.my-smile.top/uploads/2020/01/28/4453216886ea.pdfIn PDF document text
    • http://sandiegovolleyballcamp.com/uploads/1/3/0/6/130620530/basolej.pdfIn PDF document text
    • http://iqseries.de/uploads/1/3/0/4/130476342/01ef822.pdfIn PDF document text
    • http://playtherapyonlinetrainingacademy.com/uploads/1/3/0/4/130435589/8783365.pdfIn PDF document text
    • http://laurenandersonrealty.com/uploads/1/3/0/2/130287238/d2308b0c401534f.pdfIn PDF document text
    • http://vobozid.svyazexpo-online.ru/uploads/2020/01/28/nanemawujogapixede.pdfIn PDF document text
    • http://sweetestdreams.org/uploads/1/3/0/6/130639632/130639632.html#federal+disability+retirement+guidebookIn PDF document text

Related samples 4

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_off00001381.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1381 8968 bytes
SHA-256: 59232ce805331b6557dbf83dea5d36e07412f4f0d80595b28386d3c2d04ebc34

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