Malicious PDF — malware analysis report

Static analysis result for SHA-256 46e271cdb0ce0685…

MALICIOUS

PDF

39.0 KB Authoring application: Soda PDF
MD5: 578af5911185e7a00526ba6dfc07ccf2 SHA-1: 8513cc86643e54bb72d1d61825cebf10354a6ace SHA-256: 46e271cdb0ce0685d09cd7cc45e1c4c27fec7b4f84e06485fafa4b4a57387c76
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to external PDF documents, a technique commonly used for phishing or distributing further malware. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' strongly supports this phishing and traffic redirection intent. No scripts were extracted from this sample, limiting the analysis of direct execution capabilities.

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://newarkvalleychamber.com/uploads/1/3/0/7/130776724/zugumuvonukiji-retuzu-sekadinaditosu-turugobi.pdf
    • http://umrcsalem.org/uploads/1/3/0/7/130738625/8822600.pdf
    • http://whaleyoga.com/uploads/1/3/0/4/130478433/sulavu_tenuse_mubifatafibar.pdf
    • http://bobslocker.com/uploads/1/3/0/6/130620622/xaropu_rufebudonobumon_xovofunivawusep.pdf
    • http://skycloudcity.com/uploads/1/3/0/6/130639205/moxosemive_velizokud_disanam.pdf
    • http://collegeeducationonline.net/uploads/1/3/0/6/130620402/zumenozetitibax.pdf
    • http://irmamariechattanooga.com/uploads/1/3/0/6/130604973/1960244.pdf
    • http://hollowaymusicstudio.com/uploads/1/3/0/3/130379575/duvipiwon.pdf
    • http://warmanddryuk.com/uploads/1/3/0/3/130323466/rirun.pdf
    • http://mjmiles.com/uploads/1/3/0/5/130539202/bfa6383d.pdf
    • http://yogilea.com/uploads/1/3/0/6/130620909/1072424.pdf
    • http://penninsulatech.com/uploads/1/3/0/5/130551556/1367359.pdf
    • http://baomahuiyulechengguanfang.br3h.com/uploads/1/3/0/5/130551832/130551832.html#biology+genetics+problems+pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000035d4.bin
e2f1373bf3d70a40ff4276a486f0a1d2d32154e4f45ad1243a44c3d3b7d91cea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x35D4 2652 bytes
font_01_sfnt_off00004177.bin
7ed8b9beb00430b4da05e8e4e15f66a3d13654d00e1a27213c87f5c1b87f90e5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4177 7424 bytes

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