Malicious PDF — malware analysis report

Static analysis result for SHA-256 99419dd08364b2fb…

MALICIOUS

PDF

37.4 KB Authoring application: Soda PDF
MD5: 6e837578773734f04cb8d96709632ecf SHA-1: 717f9f15f80c50f90a0cedb359af52decb971385 SHA-256: 99419dd08364b2fb1a450ba3862d54ca5b499e72fe7d9c9ea1d7b125b1e861a1
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to external PDF documents, a technique often used for SEO manipulation or to host phishing content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall' further supports a malicious intent. The embedded URLs are the primary indicators of compromise, suggesting a campaign to drive traffic to malicious or misleading content.

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://findthatpartyplanau.net/uploads/1/3/0/6/130620946/rofajupirawu-zukaworedasawa-dagutolilozepo.pdf
    • http://nannymoscow.ru/uploads/1/3/0/3/130312952/31f4284.pdf
    • http://alexmooneyjones.com/uploads/1/3/0/2/130289395/1b91ac07758.pdf
    • https://fukutomebo.weebly.com/uploads/1/3/0/2/130288447/7078410.pdf
    • http://vutiroj.splitvolgograd.ru/uploads/2020/01/28/06a13f11b022d1.pdf
    • https://wipokoxuganof.weebly.com/uploads/1/3/0/5/130545334/3236882.pdf
    • http://newearth.design/uploads/1/3/0/2/130289772/vumelobujaxitid-nafani-fimalix-mebile.pdf
    • https://defediwaxef.weebly.com/uploads/1/3/0/6/130604834/5f09e0787.pdf
    • http://elvi.site/uploads/1/3/0/6/130639852/9433870.pdf
    • http://miami.momotombochocolatefactory.com/uploads/1/3/0/7/130776801/130776801.html#imf+report+on+liberia+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001226.bin
473eb3597f70adfcb13877a278256b80e1ab0f45fa2acd75f810972e3a382731		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1226 9056 bytes

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