Malicious PDF — malware analysis report

Static analysis result for SHA-256 bce59f047b1362d9…

MALICIOUS

PDF

45.0 KB Authoring application: pdf-parser
MD5: 760a6d39bcd05675e7d87d4999cbfc5e SHA-1: 48cac60b17e2d51bc46a7965f1783fedb07cd993 SHA-256: bce59f047b1362d9c994eece176b99e9a777921a9983d3ae1e29dda1fda5eed2
120 Risk Score

Malware Insights

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

The PDF contains a large number of external links, identified as a link farm, pointing to various domains. This technique is often used to distribute phishing content or redirect users to malicious websites. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall' further supports a phishing or traffic redirection intent. 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://richardmackson.com/uploads/1/3/0/3/130323520/fabugaboronapelovof.pdf
    • http://ngssmichigan.com/uploads/1/3/0/6/130605204/wilijojojebizelukod.pdf
    • http://rumelil.ewrty.xyz/uploads/2020/01/28/9aa20.pdf
    • http://jessiedaniels.net/uploads/1/3/0/6/130603882/jopazatudu.pdf
    • http://miwoori.net/uploads/1/3/0/6/130621864/839811.pdf
    • http://petrolladies.be/uploads/1/3/0/6/130640209/1735054.pdf
    • http://mudgleyholidayhouse.com/uploads/1/3/0/3/130379523/6e2219.pdf
    • http://reboundat.com/uploads/1/3/0/6/130639659/130639659.html#samsung+android+mobiles+below+4000

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000129f.bin
57dbdbc2e7e7bcacc3943e821b179403260b73be131073bed5a97329fd5be2da		 pdf-font-stream PDF embedded font (sfnt) at offset 0x129F 8028 bytes
font_01_sfnt_off00006960.bin
32b54217619f9438721b423dc2f4f4da0f78781b0811ea49af2be6b0310ecf56		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6960 16164 bytes

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