Malicious PDF — malware analysis report

Static analysis result for SHA-256 bd29568485981279…

MALICIOUS

PDF

33.7 KB Authoring application: OpenOffice Draw
MD5: 81e06ee5b9bf8eb75f4cd96781eb7566 SHA-1: 20eba50ddc12258c485d6703aca26a38a0479e7a SHA-256: bd2956848598127903f0996c516427388431416dff5dca58171c15e1e2ceb1d2
120 Risk Score

Malware Insights

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

The PDF file exhibits a critical heuristic for a link farm, containing numerous external URLs. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious redirection intent. The embedded URLs are the primary indicators of compromise, likely leading to further stages of an attack.

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://r-ewolucje.com/uploads/1/3/0/6/130603783/kiruzefokutepuru.pdf
    • http://dporfebre.com/uploads/1/3/0/5/130551434/fuvatogife.pdf
    • http://theabsurdists.com/uploads/1/3/0/6/130639537/f9d1792999.pdf
    • http://katherinemunster.com/uploads/1/3/0/3/130324192/pijowemejeril.pdf
    • http://negsbestthing.com/uploads/1/3/0/4/130488935/06b51e656.pdf
    • http://jaimebryant.com/uploads/1/3/0/5/130539583/dazuvokug-marufi.pdf
    • http://dailyfact.org/uploads/1/3/0/6/130604548/vepifakelo.pdf
    • http://drcarolineclarke.com/uploads/1/3/0/5/130588907/ronep.pdf
    • http://southerncottongoldenretrievers.com/uploads/1/3/0/6/130639659/6011988.pdf
    • http://sandiegofinchandsoftbill.com/uploads/1/3/0/2/130287278/virenatum-kifejefes.pdf
    • http://5pointauto.com/uploads/1/3/0/8/130813696/130813696.html#i+had+a+dream+mamma+mia+2+lyrics
    • http://5pointauto.com/uploads/1/3/0/8/130813696/130813696.html#i+had+a+dream+mamma+mia+2+ly

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001246.bin
30635901dddc5a711c7350c5fd264dfa21c73e81a4f60b29b984f0d3272e60f3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1246 8392 bytes
font_01_sfnt_off0000481a.bin
83d89f79375f7f339e88070a8779324ce221c94923bff415e388e162fbc46cfe		 pdf-font-stream PDF embedded font (sfnt) at offset 0x481A 2604 bytes

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