Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0bfdc9cd8fc1b65…

MALICIOUS

PDF

39.0 KB Authoring application: LibreOffice Draw
MD5: 8162491c1fd06111401986b120079b62 SHA-1: f305201258a436ab5d4ff0dd728271c021830bf2 SHA-256: f0bfdc9cd8fc1b654db07ac4093a9f4aa54abf25833276d3f3afc3f733d569cf
120 Risk Score

Malware Insights

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

The PDF file contains a link farm with numerous external links, a common technique for phishing and malware distribution. The document body, though heavily obfuscated, mentions 'BC PNP express entry guide', suggesting a lure related to immigration. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the phishing classification. The primary attack pattern involves redirecting users to malicious content via these 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://dadevilleband.com/uploads/1/3/0/5/130550785/fakiwezelaje-pafagudam-wipalaguk-kogen.pdf
    • http://commandlineidiot.com/uploads/1/3/0/5/130550805/1436413.pdf
    • http://siobhanartandecology.com/uploads/1/3/0/3/130323455/ninowufakom.pdf
    • http://tepa.luciemauger.com/uploads/2020/01/28/8497954.pdf
    • http://berkatinc.com/uploads/1/3/0/4/130488141/985e8868d3d6.pdf
    • https://soxesexurin.weebly.com/uploads/1/3/0/2/130292089/9667881.pdf
    • http://dekosevo.kjkjjj.com/uploads/2020/01/29/6766733.pdf
    • http://journeytosimplicity.org/uploads/1/3/0/5/130541065/dopitajuwuf.pdf
    • http://wal.remontbroker.ru/uploads/2020/01/28/waroxana.pdf
    • http://misbailes.com/uploads/1/3/0/4/130436050/130436050.html#bc+pnp+express+entry+guide

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011e2.bin
03c96ae89f0efdce58785b1cffc5b6bdef0c30f8e6641a4463d48331f02da3d6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11E2 7968 bytes

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