Malicious PDF — malware analysis report

Static analysis result for SHA-256 42e0acb3053af989…

MALICIOUS

PDF

31.8 KB Authoring application: ImageMagick First seen: 2021-02-19
MD5: 64891a2df4014561b98d343ace260ed1 SHA-1: d723a5387ceaefeef2a7cc9c3528e8c6041d7ac2 SHA-256: 42e0acb3053af989fdbeac8bdd37b156a7be44f194a6fa7803da0d585053e7b8
192 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 4

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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.
  • PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
    PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
  • 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://cdaap.org/uploads/1/3/0/5/130551670/4041626.pdf In PDF document text
    • http://younglivingdaily.com/uploads/1/3/0/5/130590355/poxoxatut_poxim_nupibunefevaluw.pdfIn PDF document text
    • http://nuggwholesale.com/uploads/1/3/0/6/130621290/aa1fb51e6.pdfIn PDF document text
    • http://portabletoiletsmichigan.com/uploads/1/3/0/4/130489926/fukivufimubarozeji.pdfIn PDF document text
    • http://yasminevintage.com/uploads/1/3/0/3/130379251/tojipowafeter-sabimipevono-pukokowonus.pdfIn PDF document text
    • http://theeldqueen.com/uploads/1/3/0/6/130604554/9008334.pdfIn PDF document text
    • http://beje.wellsonlineserviceverifications.biz/uploads/2020/01/29/vofojenumej.pdfIn PDF document text
    • http://yourpublicistknows.com/uploads/1/3/0/3/130379398/5059768.pdfIn PDF document text
    • http://living-sustainably.org/uploads/1/3/0/3/130323172/130323172.html#libro+auditoria+administrativa+pdf+gratisIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000122c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x122C 8572 bytes
SHA-256: ca9744d65e28c90ba271f6fbc281e19cf4df1e56195b1be8561469bd2cd11cc3

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