Malicious PDF — malware analysis report

Static analysis result for SHA-256 9f812f15e4044eb0…

MALICIOUS

PDF

35.4 KB Authoring application: pdf-parser
MD5: 429cdf6076f5be527eecef42d34675d3 SHA-1: 7773f7760675ad0c3f92d5672a5f4d1feb0295a4 SHA-256: 9f812f15e4044eb08cab1ce2798375d74e3c77028b8255bd94c3f96a20c55163
120 Risk Score

Malware Insights

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

The PDF contains a large number of external links, a common technique for SEO poisoning or redirecting users to malicious sites. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall' further supports a phishing or traffic redirection intent. The document body, though heavily obfuscated, contains fragments suggesting it mimics official forms, likely to deceive users into clicking 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://oraclevms.com/uploads/1/3/0/2/130287882/gebex.pdf
    • http://chungyenlin.com/uploads/1/3/0/6/130603932/9a3eee54.pdf
    • http://www.bangkokg.com/uploads/1/3/0/5/130550890/tosuzitefafa.pdf
    • http://www.thegrandpreserve.com/uploads/1/3/0/6/130621965/267bb98ae57.pdf
    • http://condofilipino.com/uploads/1/3/0/6/130621015/8630305.pdf
    • http://webdesignbycarole.com/uploads/1/3/0/6/130621501/5c76a.pdf
    • http://evafarkascoaching.com/uploads/1/3/0/7/130776175/439fbaf28fe819a.pdf
    • http://nathanieldaiger.com/uploads/1/3/0/4/130483551/misukimesiwitib-tenogoma-letiwofo.pdf
    • http://sincerelycam.com/uploads/1/3/0/4/130483978/jususogokeretuj.pdf
    • http://blossomsandbean.com/uploads/1/3/0/4/130483122/balilatumotituxose.pdf
    • http://cabitdesign.com/uploads/1/3/0/5/130588389/xoxenija.pdf
    • http://rentalsandroommates.net/uploads/1/3/0/6/130620365/1d8ddebb71b1d.pdf
    • http://nwinternationalhealth.net/uploads/1/3/0/6/130639848/2101026.pdf
    • http://northern-carbon.com/uploads/1/3/0/5/130539229/3666860.pdf
    • http://hostmaster.camvalleyartstrail.co.uk/uploads/1/3/0/6/130620464/fozebivoxejuwamoro.pdf
    • http://qipaiyouxizenmezhuanqian.br3h.com/uploads/1/3/0/8/130814926/130814926.html#ins+affidavit+of+support+form
    • http://hostmast

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000302d.bin
879be0f8de8228bc0d389497d6a164d801f9c57690febf292337b60e652fdbfa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x302D 7852 bytes

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