Malicious PDF — malware analysis report

Static analysis result for SHA-256 d4d3622c1404adce…

MALICIOUS

PDF

55.6 KB Authoring application: LibreOffice Draw
MD5: 76920eb026dd774b9b3bbb4c7b87af52 SHA-1: 0514fbc99a9831898cae46c7889605b6e0b31703 SHA-256: d4d3622c1404adceaeee72d1f80389914f71778a0277ea9b76b564864346068a
120 Risk Score

Malware Insights

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

The PDF file was identified as malicious by ClamAV with the signature Pdf.Phishing.TtraffRobotInstall-7605656-0. Static analysis revealed a large number of embedded external links, indicative of a link farm designed to redirect users to potentially malicious content. The document body contains garbled text and embedded URLs, further supporting the phishing or malware distribution lure.

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://noblenarrows.com/uploads/1/3/0/5/130551729/4177412.pdf
    • http://reussirsoninsertion.org/uploads/1/3/0/6/130639836/pefuxexarowanubase.pdf
    • http://en.ilovetusculum.com/uploads/1/3/0/5/130588983/gidenijoginulob-jexomed-zarojukak.pdf
    • http://allworxcommunications.com/uploads/1/3/0/6/130621906/796103.pdf
    • http://hajek-translation.com/uploads/1/3/0/6/130620478/9315494.pdf
    • http://kylealpha.com/uploads/1/3/0/5/130539114/76c8fa8a1.pdf
    • http://giltnerinternational.com/uploads/1/3/0/7/130739446/suxikanerin.pdf
    • http://ajautosalesva.com/uploads/1/3/0/4/130476597/niwet-temiva-kidoxo-fawajegedu.pdf
    • http://cluedetectivepuzzleagency.life/uploads/1/3/0/8/130874102/bonub-nevamumapini-zewaf-jonozeporanibov.pdf
    • http://santurbanvisible.org/uploads/1/3/0/2/130274349/4011614.pdf
    • http://advantagedroneproductions.com/uploads/1/3/0/4/130488542/malabepebasol-wadetuvemeto-duruzesebefidif-xevuwewet.pdf
    • http://theovercomersblueprint.com/uploads/1/3/0/6/130620644/130620644.html#the+intelligent+woman%27s+guide+to+socialism+and+capitalism+quotes

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011d7.bin
2dd7543b0470dd0b1346e32c65263ae83e855be9cd9c8aba711525527d817d41		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11D7 7656 bytes

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