Malicious PDF — malware analysis report

Static analysis result for SHA-256 fb6a1c24fe3e89f9…

MALICIOUS

PDF

44.4 KB Authoring application: Scribus
MD5: 5e19dd62c862314190a4c47850e7e173 SHA-1: f7349c12c08ff8f7519eb0074bc5dc94ddf56254 SHA-256: fb6a1c24fe3e89f96bf12a8a8330749a810d16eb3a107278a8b495ebcfb752f4
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded links to other PDF files hosted on various domains, indicating a link farm or redirection scheme. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further suggests a phishing or malicious redirection intent. The document body, though partially corrupted, mentions 'Airtel digital tv pack details', likely a lure to entice users to click the embedded links.

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://softwarehabits.com/uploads/1/3/0/5/130539016/titetu-gimodejozi.pdf
    • http://elvination.com/uploads/1/3/0/4/130488311/kopakuxejij.pdf
    • http://natesdecalsandsigns.com/uploads/1/3/0/5/130590403/9217277.pdf
    • http://not-knapping.com/uploads/1/3/0/6/130604564/bozupuza.pdf
    • http://naturalmusicmarketing.net/uploads/1/3/0/2/130287533/komoluxelebizuw-degisiwokeri.pdf
    • http://scuolaitalianaguide-ebike.com/uploads/1/3/0/7/130776016/a6415e5afa22.pdf
    • http://turlurs.com/uploads/1/3/0/4/130476091/gexakokinenewup.pdf
    • http://vtbackcountryskiing.com/uploads/1/3/0/2/130288444/vomupuxag.pdf
    • http://pastelart.services/uploads/1/3/0/6/130604779/xunilebumasixezuvol.pdf
    • http://daisysdiarys.com/uploads/1/3/0/7/130775016/6108992.pdf
    • http://ultimatecontradiction.com/uploads/1/3/0/6/130639883/mesemixemuli.pdf
    • http://74-123-78-90.mgwnet.com/uploads/1/3/0/7/130738554/130738554.html#airtel+digital+tv+pack+details+2019

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003ea5.bin
32b54217619f9438721b423dc2f4f4da0f78781b0811ea49af2be6b0310ecf56		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3EA5 16164 bytes
font_01_sfnt_off00005663.bin
28ef7f2194d38e8e37c03a5c8fc6cd45de14c8436b370ba8c48b09b13767a109		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5663 8016 bytes

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