Malicious PDF — malware analysis report

Static analysis result for SHA-256 44d50d2cde16577b…

MALICIOUS

PDF

34.8 KB Authoring application: OpenOffice Draw
MD5: 4d5b787908b948274eddd104affe2eed SHA-1: 892510289a887401488ecbda72d17b34b8b9d967 SHA-256: 44d50d2cde16577b7335e636623ccbf895f4ded761535c5adfcdaf59f36f043a
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic, which is indicative of a link farm designed to redirect users. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious intent, likely phishing or malware distribution through the linked PDFs. The document body itself is heavily obfuscated and contains no discernible user-facing content, reinforcing the focus on the embedded 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://longplumbers.com/uploads/1/3/0/2/130273907/zosizoba.pdf
    • http://getmistyfied.com/uploads/1/3/0/5/130588230/780ec58dde7.pdf
    • http://conhoppers.com/uploads/1/3/0/6/130621201/zomozax.pdf
    • http://bornready.xyz/uploads/1/3/0/6/130604667/b4bba6d.pdf
    • http://clausogkramer.dk/uploads/1/3/0/7/130776409/4700176.pdf
    • http://tripledogdare.com/uploads/1/3/0/4/130435745/9105476.pdf
    • http://starbagsptsd.com/uploads/1/3/0/3/130313289/e11ce0b.pdf
    • http://www.ahmawanphotos.com/uploads/1/3/0/6/130621353/falidepu.pdf
    • http://learningent.org/uploads/1/3/0/5/130589189/tinuxud.pdf
    • http://doulaauthenticwm.com/uploads/1/3/0/5/130547340/4600161.pdf
    • http://welcometobartertown.com/uploads/1/3/0/5/130588390/f4c3a987eb.pdf
    • http://bamfieldmercantile.com/uploads/1/3/0/3/130323754/vugokevilisek_bufixagisurozon_tazowir_mibudajuf.pdf
    • http://perfectcreationsforyou.co.uk/uploads/1/3/0/5/130588907/tivirojame.pdf
    • http://mail.vanvliet-kassenbouw.nl/uploads/1/3/0/9/130969166/6b8201708d9d.pdf
    • http://www.stonehengeroofing.com/uploads/1/3/0/2/130272415/6730277.pdf
    • http://genfeed.com/uploads/1/3/0/3/130312993/zunawegugavi.pdf
    • http://collinturner.com/uploads/1/3/0/2/130287973/b9b4fc.pdf
    • http://shopbeckboutique.com/uploads/1/3/0/2/130270990/natufenopixak.pdf
    • http://stngr.com/uploads/1/3/0/7/130738806/3068914.pdf
    • http://fabu-ladies.com/uploads/1/3/0/8/130813848/sibovu.pdf
    • http://bewellca.com/uploads/1/3/0/5/130546118/ropevexunobu.pdf
    • http://yinghunzuanshi.br3h.com/uploads/1/3/0/5/130539923/130539923.html#c+++adjacency+list+graph
    • http://stngr.com/uploads/1/3/0/7/130738806/3

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000026e5.bin
d2d6cec154af41a917b2ac764b0c8f2d01e86c8d6d7efe62106c176601a649f6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x26E5 8168 bytes

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