Malicious PDF — malware analysis report

Static analysis result for SHA-256 30432c7f81b92c6f…

MALICIOUS

PDF

35.1 KB Authoring application: ImageMagick
MD5: 47476ee186d3430a3c21f2d747a924c9 SHA-1: dafa32b56abd6f6778f80c13b1293057c2b425be SHA-256: 30432c7f81b92c6fc7f5821fb64ef4a41b26fc08a5a22a0a11957e79ed97dfda
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to other PDF files hosted on various domains. This behavior is indicative of a link farm or a distribution mechanism for malicious content, as suggested by the ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0'. The document body itself is heavily obfuscated and does not provide clear user-facing text, but the heuristic firings strongly suggest a phishing or SEO manipulation intent.

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://www.donaldwightman.com/uploads/1/3/0/4/130488141/43e7ef.pdf
    • http://getfantasticmarijuana.com/uploads/1/3/0/7/130776542/vajotomezeje_jovasape_lituzawalezekav_fesewozenufofot.pdf
    • http://thecookiieeejar.com/uploads/1/3/0/4/130483956/4efcc7.pdf
    • http://cours-de-batterie-fouesnant.com/uploads/1/3/0/4/130476075/2905415.pdf
    • http://dinejuneau.com/uploads/1/3/0/7/130776072/145810.pdf
    • http://denverdeckandfence.com/uploads/1/3/0/5/130590138/f76c3ea.pdf
    • http://hostmaster.temposhop.co.uk/uploads/1/3/0/7/130739029/9662455.pdf
    • http://thelizardbarn.com/uploads/1/3/0/7/130740512/mefakemubumaze.pdf
    • http://hostmaster.beautechnique.co.uk/uploads/1/3/0/2/130274315/wexigakupimizif-wakumexakim-samedazodo.pdf
    • http://dmvknowlege.com/uploads/1/3/0/4/130483402/809767.pdf
    • http://newlookinterlocking.com/uploads/1/3/0/6/130604881/gizunesuboriba-sugokufoxejusuw-kediwegudidim-dutijiw.pdf
    • http://bityeti.com/uploads/1/3/0/4/130476143/5606883.pdf
    • http://orenturner.com/uploads/1/3/0/2/130272585/rorelisiredowabum.pdf
    • http://ritasoto.com/uploads/1/3/0/7/130740164/0034d677b.pdf
    • http://katelynsierrra.com/uploads/1/3/0/7/130775260/6894ad0eb8.pdf
    • http://pplnmoskow.org/uploads/1/3/0/6/130604968/wuvenibeluzosi_rapejupigo_popinin_jotigovagigulo.pdf
    • http://theheroinesclub.com/uploads/1/3/0/4/130477083/mogezebizofoxowijipu.pdf
    • http://spectrumsignscalifornia.com/uploads/1/3/0/4/130435685/fad2eee4c.pdf
    • http://7hs37.salon225.com/uploads/1/3/0/4/130476556/130476556.html#creating+equations+from+word+problems+pdf
    • http://newlookinterlocking.com/uploads/1/3/0/6/130604881/gizunesuboriba-sug

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002b19.bin
9fe3365881e457d5cd8c8e3ac0fc733ac64be863c982871bede471e1a230d9ea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B19 7868 bytes

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