Malicious PDF — malware analysis report

Static analysis result for SHA-256 c1f34cf01203c9c1…

MALICIOUS

PDF

45.8 KB Authoring application: ImageMagick
MD5: 7337260dc7e4622a0313baf284fe8383 SHA-1: 1e6ceb394b095a456aeca23d91be91edecf44b51 SHA-256: c1f34cf01203c9c1163da10b606551597b64c48da7d8ba5a1e829870d4623160
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded external links, a technique often used for SEO manipulation or to redirect users to malicious sites. ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious classification. The document body, though heavily obfuscated, contains references to 'ImageMagick' and 'Vibrio cholerae bacteria pdf', which appear to be decoys. The primary malicious activity is the mass linking to external PDF files hosted on various domains.

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://watercraftinspection.com/uploads/1/3/0/7/130739975/92a259f6.pdf
    • http://m3det3.com/uploads/1/3/0/2/130271001/widorewenebelujoraji.pdf
    • http://akeiawellness.com/uploads/1/3/0/2/130271009/jemuzupejobezapav.pdf
    • http://propx.net/uploads/1/3/0/5/130542717/vezomi_palefoxitu_fixalafoja.pdf
    • http://www.sharethegoodspace.com/uploads/1/3/0/5/130590413/9c91003a3a2f.pdf
    • http://grandmaisthenewblack.com/uploads/1/3/0/5/130589031/lewupomotevux.pdf
    • http://webmail.fitnflourish.com/uploads/1/3/0/6/130620612/sakevixivixe.pdf
    • http://www.arbarc.co.uk/uploads/1/3/0/5/130542852/4386446.pdf
    • http://lilahidalgo.info/uploads/1/3/0/6/130605203/be4255e4235.pdf
    • http://cielocopy.com/uploads/1/3/0/4/130476346/keraboburemoxug.pdf
    • http://nikkiheyder.com/uploads/1/3/0/5/130588906/4a938d4fe53.pdf
    • http://visionaryhealthcare.com.au/uploads/1/3/0/5/130544089/2eb18adaa1.pdf
    • http://sciencecurio.us/uploads/1/3/0/9/130969889/0ce3077b471.pdf
    • http://churchillclubmedia.org/uploads/1/3/0/3/130324451/f8e8edb.pdf
    • http://terpenebulk.com/uploads/1/3/0/8/130814007/kesegekimunep.pdf
    • http://kunalsen.org.uk/uploads/1/3/0/6/130604685/sodosupuj.pdf
    • http://brewhousemarketandwine.com/uploads/1/3/0/6/130639241/gilomubo_nukidugeni_kupopom_kavoz.pdf
    • http://opossumpouchwildlife.com/uploads/1/3/0/5/130589000/wuseb-mibema.pdf
    • http://xanderhouff.com/uploads/1/3/0/4/130477085/5548167.pdf
    • http://aboyandhisdogbrewery.com/uploads/1/3/0/5/130588289/tesuvijubadagakiti.pdf
    • http://shop.janzcreations.com/uploads/1/3/0/6/130639642/cb8a102b0d9660.pdf
    • http://justacremation.com/uploads/1/3/0/3/130313274/6ea630e9254cdc.pdf
    • http://speyroma.com/uploads/1/3/0/6/130621374/metozujeworamagu.pdf
    • http://caseybradleyarts.com/uploads/1/3/0/6/130620778/kepuradobamoj.pdf
    • http://deviseagency.com/uploads/1/3/0/6/130621226/diwikusopokufanud.pdf
    • http://bet365yulechengwangzhi.br3h.com/uploads/1/3/0/5/130538931/130538931.html#vibrio+cholerae+bacteria+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004d8a.bin
8758b0beaecf2ebd1f698bd3eb71672bacb86c66b7375f3e8a2f590bc96e6931		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4D8A 9092 bytes

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