Malicious PDF — malware analysis report

Static analysis result for SHA-256 337a1644aec06786…

MALICIOUS

PDF

35.3 KB Authoring application: pstoedit
MD5: 579fbc297bffcfcf7cdc92d4eef1277d SHA-1: b99e349cda08623a5f52efc37685a95652fcb688 SHA-256: 337a1644aec06786cc37c41a880d2a45ea534425c4392a090eb06b07359da6bc
120 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded URLs pointing to other PDF files across various domains. This behavior is indicative of a link farm, often used for SEO manipulation or to distribute phishing content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious intent, likely related to phishing or traffic redirection.

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://aquariumtopaquaponics.com/uploads/1/3/0/2/130289467/wigikigu.pdf
    • http://uxpuli.com/uploads/1/3/0/7/130739347/6183197.pdf
    • http://autodiscover.goddessrockstararts.com/uploads/1/3/0/6/130604279/jodox_kerukerijamaba_rotola.pdf
    • http://www.visagespabaac.com/uploads/1/3/0/4/130435839/8898465.pdf
    • http://sassyfrassboutique.org/uploads/1/3/0/2/130274376/gulexoru.pdf
    • http://thinkmundo.com/uploads/1/3/0/5/130539659/37b92711ebe6e6.pdf
    • http://www.scottrosenthalphoto.com/uploads/1/3/0/7/130739087/ridase-zabobowi-witejepavukige-jugojifuzisud.pdf
    • http://gramaudits.com/uploads/1/3/0/6/130604770/paforovaxoradaxibijo.pdf
    • http://smalltrailersforhauling.net/uploads/1/3/0/6/130639315/kimofenejikonogi.pdf
    • http://rebeccalaplacaattia.com/uploads/1/3/0/5/130590153/5c5fd468.pdf
    • http://americasmostwasted.com/uploads/1/3/0/4/130476065/4716c0b57c4.pdf
    • http://modern-energy.co.uk/uploads/1/3/0/5/130590689/dufomo.pdf
    • http://starcreativeworks.com/uploads/1/3/0/8/130874601/3923554.pdf
    • http://dezandrob2018.com/uploads/1/3/0/3/130379362/26ec3f34cd77.pdf
    • http://effortlesslybeautiful.store/uploads/1/3/0/4/130475984/rotuputorukexoku.pdf
    • http://metiscollege.ca/uploads/1/3/0/4/130489417/bovikoj_vonowi.pdf
    • http://host129.carmichaelnl.com/uploads/1/3/0/7/130739024/130739024.html#pdf+buku+pai+kelas+11

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002ed9.bin
9c19b0b6dd5ed12170ba3b8f315c5398f5d473f45669ec97511f4cd44ac84987		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2ED9 7612 bytes

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