Malicious PDF — malware analysis report

Static analysis result for SHA-256 d735ba63da829972…

MALICIOUS

PDF

48.9 KB Authoring application: ImageMagick
MD5: 5def7a5ac6d8de7f628151a1d809c20e SHA-1: a67da700dcdb2a3cf31262adf5d9c35c0323b232 SHA-256: d735ba63da829972a76b1a96ba77fb2321fb2c63dde3a46d948727aa05ff2103
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded URLs pointing to other PDF files hosted on various domains. This technique, identified by the PDF_SEO_LINK_FARM heuristic, is commonly used to create link farms for SEO manipulation or to distribute malicious content. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports the malicious nature of this file, indicating its use in phishing or traffic redirection schemes.

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://tricityrealestateblog.net/uploads/1/3/0/7/130775806/3322880.pdf
    • http://zaldivarvazquez.com/uploads/1/3/0/5/130543980/pewarodijekaf-dofudano-rusijemuz-fadarivasiluxe.pdf
    • http://bortstrana.ru/uploads/2020/01/27/18c9440f.pdf
    • http://umotivemove.com/uploads/1/3/0/7/130775725/lovowerinuwovif_fagatururufe.pdf
    • http://theapplemechanic.com/uploads/1/3/0/6/130620522/nizasesupogov_vedumolek.pdf
    • http://jplonski.com/uploads/1/3/0/4/130476013/ravufobuka.pdf
    • http://fipiro.heartplayers.com/uploads/2020/01/29/vopizubakim_bibegolotisinep_naxoxunibulak_zedolekexew.pdf
    • http://jessicagaul.com/uploads/1/3/0/4/130436171/kopojeva.pdf
    • http://chloehorie.com/uploads/1/3/0/5/130551880/majokazomete.pdf
    • http://springcreekranchclublambs.com/uploads/1/3/0/7/130739446/fagunikisuv-rovapefarokumi.pdf
    • http://nobuhotelriyadh-fullsite.devsite-1.com/uploads/1/3/0/5/130550696/130550696.html#branchial+cyst+adalah

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001323.bin
c90244a1b92edfbae0f8bc11d4683c1c40bf29541d8b63376949f08fc4eac03a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1323 8672 bytes

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