Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc32d1053483ebd7…

MALICIOUS

PDF

39.2 KB Authoring application: Scribus
MD5: 795c5adc80d8cfcab4d4f71aa9a34140 SHA-1: 5fa92d5de44555964f64c7407668a69bd7739f73 SHA-256: cc32d1053483ebd7c225fe63abaf8e489bb443d4826286673719dd232ffeee8d
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to other PDF files across various domains. This behavior is indicative of a link farm or a distribution mechanism for phishing or malware. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic redirection intent. No scripts were extracted, limiting the analysis of direct malicious actions.

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://submergeministries.com/uploads/1/3/0/5/130590241/5611168.pdf
    • http://shetlandinblue.com/uploads/1/3/0/6/130639883/1802319.pdf
    • http://mycityrebate.com/uploads/1/3/0/6/130639077/reriguguxewose-duxolobux-wukad.pdf
    • http://natinelflowerslinensandrentals.com/uploads/1/3/0/5/130588291/fukorelexij_fefosupa_gekeberikejub_fumadederaviwer.pdf
    • http://mindyourbodyfitnessandnutrition.com/uploads/1/3/0/5/130539820/8652912.pdf
    • http://royalavenuemusic.com/uploads/1/3/0/5/130550844/3112162.pdf
    • http://angellameanix.co/uploads/1/3/0/5/130588857/130588857.html#adelaide+city+map+google

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000115d.bin
99be0248b9439763b423638cee4ee6f6e1582cf3a72e3285961c90ee49964514		 pdf-font-stream PDF embedded font (sfnt) at offset 0x115D 8532 bytes
font_01_sfnt_off00005e24.bin
1b3f82cd74c5b6671cc0c0d4a6c7877b74bb57ca469b2a61ef541918e41af838		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E24 2652 bytes

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