Malicious PDF — malware analysis report

Static analysis result for SHA-256 83a0456fcea626fc…

MALICIOUS

PDF

41.0 KB Authoring application: Inkscape
MD5: 7db4ac6b7bcc61ea60b62d753b4bdbc1 SHA-1: 22f4537de8750f48c23911159a62dfb0a6f7dfba SHA-256: 83a0456fcea626fc9db5692fbd29685c01cbdb42bbe732b42817e78a648ae173
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded links to other PDF files, indicating a link farm designed to distribute malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the phishing and traffic redirection intent. The document body contains garbled text mixed with URLs, suggesting an attempt to obscure the malicious nature of the links.

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://oasislebanesecuisine.com/uploads/1/3/0/5/130547659/bazawusi_zoremodevaj.pdf
    • http://mrmuhammadmusic.com/uploads/1/3/0/4/130483385/9794120.pdf
    • http://jeja.militariorgucoz.ru/uploads/2020/01/29/jusun.pdf
    • http://norecordsnobs.com/uploads/1/3/0/5/130588747/7395ec0dc.pdf
    • http://photosyouask.com/uploads/1/3/0/6/130621574/421248208c96f.pdf
    • http://bethanystafford.com/uploads/1/3/0/2/130272370/a0ff6.pdf
    • http://suxiwe.antizavtra.ru/uploads/2020/01/28/vinerodaz.pdf
    • http://hardtoken.store/uploads/2020/01/28/jarebusipejus_jusirajovexe.pdf
    • http://mirabalart.com/uploads/1/3/0/4/130435734/kemiz.pdf
    • http://carolinaopticalbluffton.com/uploads/1/3/0/3/130323277/sazasuxalobewek-tudali-pizoxividu-rigirasaxej.pdf
    • http://thepaleocaveman.com/uploads/1/3/0/5/130590217/wobinakeg-sebowegosunew-parajegefeso.pdf
    • http://shardexplorers.com/uploads/1/3/0/2/130289515/130289515.html#idle+heroes+guild+tech

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000012a9.bin
40347771a60651aa1d0671aaf444eadba3522e3f81d0c8038a3eb38553b9ef30		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12A9 7904 bytes

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