Malicious PDF — malware analysis report

Static analysis result for SHA-256 5082fcb613a2f56a…

MALICIOUS

PDF

45.1 KB Authoring application: OpenOffice Draw
MD5: 46f0f9e456b602e080a8f7c48dcac7c1 SHA-1: dd90ea8c03ceb1e879d6cb19458a93e7ac5b2fb7 SHA-256: 5082fcb613a2f56adf76dee2f4dab8866d1c6611fe435efc4d9e7eb6c1e9bb0b
120 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded URLs, as indicated by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection of 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious intent. The primary function appears to be redirecting users to a multitude of external websites, likely for SEO spam or phishing campaigns.

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://youngprofessionalsofsanfrancisco.com/uploads/1/3/0/5/130551135/79c7d.pdf
    • http://chicagohcven.com/uploads/1/3/0/8/130813146/c1cc5f.pdf
    • http://kevinherron.net/uploads/1/3/0/5/130589241/6f3206b04dfe7cb.pdf
    • http://adoptme.info/uploads/1/3/0/6/130605178/386a51d.pdf
    • http://nbc-heads-up-poker.com/uploads/1/3/0/3/130379398/7447508.pdf
    • http://teaalchemymelbourne.com/uploads/1/3/0/5/130543874/dezukulonate.pdf
    • http://houserentalreviews.com/uploads/1/3/0/3/130313002/6119924.pdf
    • https://zopufepemuzu.weebly.com/uploads/1/3/0/4/130488295/nonofufexupebe-benukenixa-megafawubipe-gakuzuxedejigu.pdf
    • http://oreade.ch/uploads/1/3/0/2/130288391/sukigixuzo.pdf
    • http://namecoinforum.net/uploads/1/3/0/3/130323141/5176665.pdf
    • http://neokundalini.org/uploads/1/3/0/7/130738966/130738966.html#job+acceptance+letter+for+sales+manager

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001473.bin
f22d88e657ef7a404df5af8334fcbaa75a9c2105e9b510c842339adfc4305c2e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1473 8656 bytes
font_01_sfnt_off00006a72.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6A72 16036 bytes

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