Malicious PDF — malware analysis report

Static analysis result for SHA-256 beb19933684bd653…

MALICIOUS

PDF

46.6 KB Authoring application: Smallpdf Desktop
MD5: 7c8aaa86194e6334913be439e6c601cd SHA-1: 1093e0064cd28e6c3e8034fe15287938c4bb9e80 SHA-256: beb19933684bd653f6c989ccd9fd4aab3fd66b2b7faea836059784ae9b020016
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. This suggests a phishing or SEO manipulation tactic. The ClamAV detection further confirms its malicious nature. The embedded URLs are likely used to redirect users to malicious sites or to distribute further payloads.

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://jjbeef.com/uploads/1/3/0/2/130273617/44cad9.pdf
    • http://mail.niwawriters.net/uploads/1/3/0/7/130775150/6446008.pdf
    • http://www.thedailystarlebanon.com/uploads/1/3/0/4/130483638/jukatozanedut-ferinumam-wibojew.pdf
    • http://zoeandchelsea.com/uploads/1/3/0/2/130288326/zobug_pobunevixi_kejuleretorew.pdf
    • http://mfindia.org/uploads/1/3/0/3/130313200/4122558.pdf
    • http://myfineswine.com/uploads/1/3/0/5/130588622/8894203.pdf
    • http://cuzblackgirls.com/uploads/1/3/0/7/130740142/46cea870.pdf
    • http://misssantaclara.com/uploads/1/3/0/5/130551364/malogos_temewetinovojep.pdf
    • http://courtneyandwillis.com/uploads/1/3/0/5/130543546/nisiwofezupil-bupelulusunus.pdf
    • http://glitterandore.com/uploads/1/3/0/6/130621083/0888d29ae21.pdf
    • http://oldtymehockeyleague.com/uploads/1/3/0/5/130589371/wavud_kubop_kosafaxefufivi.pdf
    • http://redfishbeaufort.com/uploads/1/3/0/4/130476069/1784472.pdf
    • http://damiandineen.com/uploads/1/3/0/3/130323301/begumobujekinuluwo.pdf
    • http://zuihaowanqipaiyouxi.br3h.com/uploads/1/3/0/8/130873893/130873893.html#failure+mode+effect+analysis+slideshare
    • http://glitterandore.com/uploads/1

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004e46.bin
b3750132d47be5516a38302b6b90a8086ceea41e0c53650b74e77857769bde18		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4E46 1960 bytes
font_01_sfnt_off00005a2c.bin
232581b9f3ebf62d115f37aa1ceb763a2887d2a2abc913fd3e27b6770619e742		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A2C 9096 bytes

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