Malicious PDF — malware analysis report

Static analysis result for SHA-256 94cb6a175abb9ce8…

MALICIOUS

PDF

36.9 KB Authoring application: PDF Studio
MD5: 72bf9e3969d2879a22eb94437f151b3d SHA-1: 2fccfaf0e5224bc01c8017a8c715b9ef3452c953 SHA-256: 94cb6a175abb9ce8c4d019037ec823918320ee81be0f3ce5197c549aa7b9e5ab
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs, indicating a link farm designed to redirect users to potentially malicious content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic redirection motive. The document body, though heavily obfuscated, contains references to 'inverted yield curve recession graph', suggesting a lure related to financial topics.

Heuristics 3

  • 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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://cayleymanorhomeownersassociation.com/uploads/1/3/0/4/130483626/b185f931fd67dcc.pdf
    • http://mail.tsiartsianis.gr/uploads/1/3/0/5/130588547/1275356.pdf
    • http://dramallamaranch.com/uploads/1/3/0/8/130813888/salinoxaba.pdf
    • http://ratedqbbq.com/uploads/1/3/0/5/130588589/de13f851158.pdf
    • http://peoplehacking.net/uploads/1/3/0/8/130874223/rusamapodesiped-reranexilozo-fubejuxitodexe-dinosusojupe.pdf
    • http://pinthis.co/uploads/1/3/0/2/130289629/5037567.pdf
    • http://ponometrics.com/uploads/1/3/0/5/130589102/takaluzatetuba_zipedagulow.pdf
    • http://tcsis.co.uk/uploads/1/3/0/6/130640231/pezafuje.pdf
    • http://bencelebicic.com/uploads/1/3/0/8/130814076/sagupidenenes-temafusowadexa-zitofeduju.pdf
    • http://gamefarm.org/uploads/1/3/0/7/130775701/9591686.pdf
    • http://huntersrpg.com/uploads/1/3/0/4/130483277/3465274.pdf
    • http://thefrights.org/uploads/1/3/0/5/130542982/130542982.html#inverted+yield+curve+recession+graph

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000393a.bin
1a03ca4571cb17a10d70827ec1ccac9856c2256ee9a4b075fef7f167d89df53b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x393A 8032 bytes

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