Malicious PDF — malware analysis report

Static analysis result for SHA-256 a37599488d47827a…

MALICIOUS

PDF

84.5 KB Authoring application: Solid Converter PDF
MD5: c2b8b34e75a62e21c5a2c382f0930461 SHA-1: 6cb9c2d3ea636c014ca9348410da8862ed158fc3 SHA-256: a37599488d47827a0d09404cd44fe63124da93b684d434c278a358b97ce51bc2
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of external links, a common technique for SEO poisoning and directing users to malicious sites. The ClamAV detection and the 'SE_ADVANCE_FEE_SCAM_LURE' heuristic strongly indicate a phishing or scam attempt. The embedded URLs are the primary indicators of compromise, likely leading to further malicious content or credential harvesting.

Heuristics 4

  • 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
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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://nfloo.com/uploads/1/3/0/3/130323535/86f72ee8f2.pdf
    • http://missionhere.org/uploads/1/3/0/5/130551756/kinif.pdf
    • http://bellevistaassistedliving.com/uploads/1/3/0/4/130477278/xuwudedemajag_fisexomum_gejonori.pdf
    • http://onewebday.net/uploads/1/3/0/6/130620574/tubur_fasesojilazasan_kitupexivepel_falifojij.pdf
    • http://allergy.mediutopia.com/uploads/1/3/0/6/130621277/130621277.html#java+programming+interview+questions+and+answers+with+explanation+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001202.bin
540a72226717c6984080d892b32b6093d548360b98115fdfa07ac4b34e6f83c9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1202 9968 bytes

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