Malicious PDF — malware analysis report

Static analysis result for SHA-256 a798bd325515d921…

MALICIOUS

PDF

37.5 KB Authoring application: PDFedit
MD5: 7b94b69c184a104dc44f7f0377c01689 SHA-1: 9b67f02be7baaa1716e2ca8bebcf876301c8dc16 SHA-256: a798bd325515d921eca8a76590bb878647374cf088c788c29b8006ec9b333a5a
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links pointing to other PDF files hosted on various domains. This technique is commonly used to distribute phishing content or further malware payloads. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious intent.

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://north-shore-aerial-imaging.com/uploads/1/3/0/3/130313657/dulojok.pdf
    • http://mr-riks.com/uploads/1/3/0/4/130488316/gosaliwuma.pdf
    • http://meridianintranet.com/uploads/1/3/0/2/130271023/gavidevunew_sutefimi.pdf
    • http://theshergroup.com/uploads/1/3/0/2/130274368/fivosam.pdf
    • http://beatafurstenberg.com/uploads/1/3/0/5/130544009/gizun.pdf
    • http://qnek.net/uploads/1/3/0/2/130273896/monemavutuf.pdf
    • http://bicepsandbananas.com/uploads/1/3/0/5/130551386/1049322.pdf
    • http://fashionfruitboutiqueeagan.com/uploads/1/3/0/3/130379347/zilixerofuluz.pdf
    • http://nourishinglynatural.com/uploads/1/3/0/7/130775032/130775032.html#algebra+1+graphing+worksheets+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001152.bin
848281d71bb679a1ad94a7a9c2bd6126f294f67167aa8195d064bc8afb5e3c35		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1152 7780 bytes

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