Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2a9f1be0e53877c…

MALICIOUS

PDF

37.3 KB Authoring application: Inkscape
MD5: 627c9f1178949fb6121537368d72e508 SHA-1: e663bf2d6f9b173b88fa72f87b9e16443a63a743 SHA-256: e2a9f1be0e53877c12ca18095fd3ba2b4f80560364b4e75f26137e0a632bb9c5
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links pointing to other PDF files hosted on various domains. This behavior is indicative of a link farm or a phishing lure designed to redirect users to potentially malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the phishing classification. 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://www.vdotink.com/uploads/1/3/0/6/130604505/fomibixetet.pdf
    • http://abbotcars.com/uploads/1/3/0/6/130639567/palututagolor.pdf
    • http://suncityprides.org/uploads/1/3/0/2/130288381/tuferen.pdf
    • http://pleasantcommunities.com/uploads/1/3/0/7/130738848/zokasuxobiz.pdf
    • http://ironthong.com/uploads/1/3/0/7/130776747/eb6e5.pdf
    • http://muninbikes.com/uploads/1/3/0/3/130313339/56fb0b1469ad.pdf
    • http://nicoleolsthoorn.com/uploads/1/3/0/5/130589444/4748408.pdf
    • http://corenewal.org/uploads/1/3/0/2/130270753/zosamatifumunewet.pdf
    • http://keyspireducation.com/uploads/1/3/0/6/130639115/wobepunowexorosa.pdf
    • http://wordzap8.com/uploads/1/3/0/5/130540604/e3213e8572808.pdf
    • http://anchoredbydesign.net/uploads/1/3/0/6/130621702/66742c08.pdf
    • http://houseinstpaul.com/uploads/1/3/0/2/130287799/5476093.pdf
    • http://missmillersclassroom.com/uploads/1/3/0/7/130775980/8422972.pdf
    • http://www.westcreekboutique.com/uploads/1/3/0/2/130271240/wijunepozofir-padimekob-kojesuketenod.pdf
    • http://illuminatedflowers.com/uploads/1/3/0/4/130435895/4cf119e85.pdf
    • http://estudiorins.net/uploads/1/3/0/6/130604283/532319.pdf
    • http://firstserveuk.com/uploads/1/3/0/3/130312923/banogi_wenerativ.pdf
    • http://gurpreetsdhillon.com/uploads/1/3/0/2/130270957/viruvobikikivu_monejifip_zusowovawa.pdf
    • http://samali2017-v3.devsite-1.com/uploads/1/3/0/5/130543141/130543141.html#recipe+for+scones+made+with+olive+oil

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003331.bin
9b697b7e8ea4640655f11c1c7b809c942622581283d4b37a18e6ded2294ebfd7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3331 8256 bytes

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