Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6403f784570ec5d…

MALICIOUS

PDF

36.9 KB Authoring application: Soda PDF First seen: 2020-09-24
MD5: 6217b0e618702386032f76a6af3f0184 SHA-1: a30126f01009446763f1265566d0852099426376 SHA-256: e6403f784570ec5d20b28770c727ef445604c7fc44534bfee26c78e50b35bb28
192 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded URLs pointing to other PDF documents hosted on various domains. This behavior is indicative of a link farm or a phishing campaign designed to direct users to malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the phishing classification.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://ampacinternational.com/uploads/1/3/0/5/130539348/231031.pdf In PDF document text
    • http://virtualstreetcorners.com/uploads/1/3/0/8/130873791/ridizukuzaxiwetinad.pdfIn PDF document text
    • http://thesharpetraveler.com/uploads/1/3/0/3/130379244/fowudatomenoj.pdfIn PDF document text
    • http://hostmaster.ivyleaguenursery.com/uploads/1/3/0/7/130776483/7703196.pdfIn PDF document text
    • http://www.babycoaching.dk/uploads/1/3/0/7/130739524/ceb720aaa7393c.pdfIn PDF document text
    • http://thoughtsonmarketing.com/uploads/1/3/0/3/130323318/7ff5170e5404.pdfIn PDF document text
    • http://thembmethod.com/uploads/1/3/0/5/130588681/nuvuterurawu.pdfIn PDF document text
    • http://basketballiq.com/uploads/1/3/0/5/130588564/votuna.pdfIn PDF document text
    • http://vodkaveritas.co.uk/uploads/1/3/0/5/130589423/bopinaso.pdfIn PDF document text
    • http://blackboxcandle.com/uploads/1/3/0/2/130272500/2246888.pdfIn PDF document text
    • http://www.bengoldsteinpiano.com/uploads/1/3/0/5/130550769/lewepitofik.pdfIn PDF document text
    • http://tlcpatientridenonemergencytransportation.com/uploads/1/3/0/4/130488301/443e1cbf1621e.pdfIn PDF document text
    • http://45t34.slpny.com/uploads/1/3/0/3/130313286/130313286.html#engagement+letter+for+bookkeeping+services+canadaIn PDF document text

Related samples 3

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_off000038dc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x38DC 7724 bytes
SHA-256: 06f2042dbb1f0775157cb167769bab6589b2e619924266b267029bc9eef086c6

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