Malicious PDF — malware analysis report

Static analysis result for SHA-256 ca5a2e8dee2cfd65…

MALICIOUS

PDF

51.5 KB Authoring application: Solid Converter PDF
MD5: 49b468da0ecea94daa01aa9508a947a7 SHA-1: 603dce7798f553aee1eb41956579cfd51e3a47d5 SHA-256: ca5a2e8dee2cfd655a2ce477774a82e4a459a2d7118ed844999d072e1ce10721
120 Risk Score

Malware Insights

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

The PDF file exhibits characteristics of a link farm, embedding a large number of external URLs. The heuristic 'PDF_SEO_LINK_FARM' specifically identifies this behavior, suggesting the document's primary purpose is to redirect users to potentially malicious content hosted on various domains. The ClamAV detection further supports its malicious nature, classifying it as 'Pdf.Phishing.TtraffRobotInstall'. No scripts were extracted from this sample.

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://okiegear.net/uploads/1/3/0/3/130323818/tewevusujaro.pdf
    • http://broadsoftdirect.com/uploads/1/3/0/7/130739289/tufoworizikolom.pdf
    • http://discgolflittleleague.com/uploads/1/3/0/5/130542758/f92716764.pdf
    • http://polarlondon.com/uploads/1/3/0/6/130621603/dd0d4eaec91.pdf
    • http://bradwarnermedia.com/uploads/1/3/0/3/130379561/mutusazo-banujelufebu-zufidipikek-kobepovebokuti.pdf
    • http://southerncrossland.com/uploads/1/3/0/7/130738722/fatosoje-papabuw-jijolid.pdf
    • http://markanthony.us/uploads/1/3/0/6/130620763/1605808.pdf
    • http://northernnerd.com/uploads/1/3/0/4/130488812/zepuzopisexelopi.pdf
    • http://serra2sea.com/uploads/1/3/0/3/130312961/figirinam.pdf
    • http://lockton.services/uploads/1/3/0/3/130323506/fukof_mixezifofazipu_lurok.pdf
    • http://bikesforall.ca/uploads/1/3/0/6/130620996/ef976e6.pdf
    • http://thestickermill.com/uploads/1/3/0/8/130813120/lepejex.pdf
    • http://maltafolkmusicfestival.org/uploads/1/3/0/5/130589385/8363262.pdf
    • http://a1412531xstreamtravel.xsideas.com/uploads/1/3/0/5/130588419/7408289.pdf
    • http://balancehealthandwellness.net/uploads/1/3/0/6/130604531/3af856abe706c.pdf
    • http://firstollie.net/uploads/1/3/0/6/130604292/dewaro.pdf
    • http://tintanegrahtx.com/uploads/1/3/0/7/130738504/47652aac75.pdf
    • http://elevitae.com/uploads/1/3/0/7/130775245/zurupunedig.pdf
    • http://txpublicschoolproud.com/uploads/1/3/0/6/130640091/dapagokenum.pdf
    • http://thetowerdistrict.com/uploads/1/3/0/4/130488619/9724104.pdf
    • http://arkiv.rokus.no/uploads/1/3/0/7/130776249/1449936.pdf
    • http://nicklibonati.com/uploads/1/3/0/7/130776502/d36691e8bc6abd5.pdf
    • http://explorepickens.com/uploads/1/3/0/8/130874309/boruzopexemesagep.pdf
    • http://xintaiyangchengshoucunyouhui.br3h.com/uploads/1/3/0/6/130604859/130604859.html#the+legend+of+zelda+ocarina+of+time+skulltulas+d%27or

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001489.bin
6ab2f2c2599bce3eaf720b0816b8e1c5f1a01b82feafb81bcb937f46f458ee3a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1489 7484 bytes

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