Malicious PDF — malware analysis report

Static analysis result for SHA-256 f780cd91366ce2fc…

MALICIOUS

PDF

126.5 KB Authoring application: Inkscape
MD5: 9138c9a79c0faa10db048b78596d91c6 SHA-1: 10041d79d25df38650e69ac6d94db8fe13110518 SHA-256: f780cd91366ce2fc324aa444f8209a4c06b5d5f511957a8570335dd0bc3d3d98
128 Risk Score

Malware Insights

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

The PDF file was detected by ClamAV as Pdf.Phishing.TtraffRobotInstall-7605656-0. Static analysis revealed a large number of embedded URLs, indicating a link farm designed to direct users to potentially malicious content. The presence of a visual download button further supports a phishing or malware distribution lure. No scripts were extracted from this sample.

Heuristics 4

  • 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
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://susansgardenminipigs.com/uploads/1/3/0/3/130379315/9401139.pdf
    • http://roxupesem.pornoizler.site/uploads/2020/01/28/483efd195d.pdf
    • http://wazyshairsalon.com/uploads/1/3/0/7/130739141/lodijugonikekax_gizub_kasezi_zejatafe.pdf
    • http://buffalolagoon.org/uploads/1/3/0/7/130776273/948881d.pdf
    • http://mrgospelmusic.com/uploads/1/3/0/3/130313495/398665.pdf
    • http://zodusazava.bloomhabits.ru/uploads/2020/01/28/powuwokepiru.pdf
    • http://nemedo.tipmoscow.ru/uploads/2020/01/27/savunevawugigoganu.pdf
    • http://newbusinessdevelopment.net/uploads/1/3/0/5/130588318/zutuwogor.pdf
    • http://coreforza.com/uploads/1/3/0/4/130483489/zedunurofefap.pdf
    • http://code1aviationservices.com/uploads/1/3/0/3/130324158/garebixene.pdf
    • http://7tonn.online/uploads/2020/01/27/637032.pdf
    • http://michaelshusko.com/uploads/1/3/0/3/130379311/130379311.html#atom+launcher+apkpure

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000133f.bin
2ab3a6bf76f42fb7debde2b4c3e0b7c373b0d12abc1e0d890a03c47a22f4e457		 pdf-font-stream PDF embedded font (sfnt) at offset 0x133F 9512 bytes
font_01_sfnt_off000075a2.bin
0efc485bfecffc3e9ad601ef019a4ed7c4acd3ce5dcf48e6d21f45b21f0bad0f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x75A2 1576 bytes
font_02_sfnt_off00007e1c.bin
83e624cf48aba0131528fd1b3336a972618f001a01d96d6986bf754515c4050f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7E1C 19692 bytes
font_03_sfnt_off0000a62a.bin
cc9ff5923282c2589ab39b3d02e1bb9445f1680e5def5130f7db7f679eaadf24		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA62A 101636 bytes

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