Malicious PDF — malware analysis report

Static analysis result for SHA-256 aca0566bfad1ddc1…

MALICIOUS

PDF

34.0 KB Authoring application: PDFedit
MD5: 6512f19a4a5cb710b79e283df1fe5217 SHA-1: 5ff72b2ac0193f81ce7e8c6beb44d53d34378fd8 SHA-256: aca0566bfad1ddc1cbdd29253ce5a414eb53e8d5e7c9147271595433b00091f2
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 external PDF files hosted on various domains, as indicated by the PDF_SEO_LINK_FARM heuristic. This suggests a link farm or redirection tactic, likely to distribute malicious content or phish for credentials. The ClamAV detection further supports its malicious nature. No scripts were extracted from this sample.

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://sprucett.com/uploads/1/3/0/5/130588412/musipibafasafajin.pdf
    • http://pimpmylocker.co.za/uploads/1/3/0/4/130476152/fd1ce2d.pdf
    • http://salesenablement411.com/uploads/1/3/0/8/130874277/7376382.pdf
    • http://loveinthevalleys.com.au/uploads/1/3/0/3/130379193/nedap.pdf
    • http://mothlights.com.au/uploads/1/3/0/5/130589189/pemelawebof-zafawa-gibevoxonanipot-larabi.pdf
    • http://www.wearecalvarybible.org/uploads/1/3/0/5/130588681/2425733.pdf
    • http://rockthedam.org/uploads/1/3/0/5/130550760/2671714.pdf
    • http://withlovec.blog/uploads/1/3/0/2/130291371/rodorisul.pdf
    • http://www.expressyourselfpreschool.com/uploads/1/3/0/2/130289288/pesagik-pokoponixigine-vatufol.pdf
    • http://moneymentorph.com/uploads/1/3/0/3/130313021/8981525.pdf
    • http://ridgerunneradventuresllc.com/uploads/1/3/0/3/130323405/4262fec.pdf
    • http://x0065289xstreamtravel.xsideas.com/uploads/1/3/0/6/130622063/130622063.html#baby+brain+development+food+in+tamil

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002ed3.bin
7b572a429fe54415f4592fe0700f31f10caa75b8b8ed1a41b75bfd61f1bec375		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2ED3 7468 bytes

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