Malicious PDF — malware analysis report

Static analysis result for SHA-256 c955f9a632052ef6…

MALICIOUS

PDF

35.0 KB Authoring application: Soda PDF
MD5: 4120589cde0fc8da046d0a608bf19614 SHA-1: 3d020adebd986a3c06a45e561ec0642656b9ab0a SHA-256: c955f9a632052ef6eb269ec156b3c7e3d78e88d5b3e52f0ff96d587b8f1f1f94
120 Risk Score

Malware Insights

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

The PDF file exhibits a critical heuristic firing for a link farm, containing 31 external PDF links. The ClamAV detection further confirms its malicious nature, identifying it as Pdf.Phishing.TtraffRobotInstall. The embedded URLs are likely used to redirect users to phishing sites or download further malicious content. No scripts were extracted from this sample.

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://papalogistic.com/uploads/1/3/0/7/130776233/3456d6880.pdf
    • http://unhappycamperstudios.com/uploads/1/3/0/7/130775519/melizebopebutix.pdf
    • http://www.newysmerch.com.au/uploads/1/3/0/7/130738739/tefej.pdf
    • http://www.gcadassociates.com/uploads/1/3/0/6/130605291/5246970.pdf
    • http://channel-fusion.site/uploads/1/3/0/7/130740489/repugadesim.pdf
    • http://leggingwholesale.com/uploads/1/3/0/4/130475936/384884739f71.pdf
    • http://paralleldevotional.com/uploads/1/3/0/7/130739577/502d7.pdf
    • http://breckroadbaptistchurch.org/uploads/1/3/0/2/130287537/3645432.pdf
    • http://creativevigilance.org/uploads/1/3/0/3/130323216/rafixusibawoke.pdf
    • http://danielstorage.com/uploads/1/3/0/5/130543511/c9ca3a.pdf
    • http://thepurposefulmama.com/uploads/1/3/0/5/130589008/rederulidi.pdf
    • http://revelsites.com/uploads/1/3/0/4/130436307/e76452.pdf
    • http://www.delangeadvies.nl/uploads/1/3/0/8/130813769/7173f0.pdf
    • http://nicolahaslett.com/uploads/1/3/0/8/130814421/nimaw-pazarufaven.pdf
    • http://www.gregoryschnell.com/uploads/1/3/0/6/130604024/majop.pdf
    • http://slohappydog.com/uploads/1/3/0/7/130738752/kanimisozuk.pdf
    • http://batterypro1.com/uploads/1/3/0/7/130739098/dinuzagokusatab.pdf
    • http://www.heartsdesireaccessories.com/uploads/1/3/0/5/130542710/ratez-mujorepugujosan-lutoforurev-wowifuzur.pdf
    • http://grassrootsgreetings.com/uploads/1/3/0/4/130476722/0eb3bf951eb94.pdf
    • http://nkq5a.slpny.com/uploads/1/3/0/7/130740393/130740393.html#acls+megacode+practice+2018

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000028b9.bin
7cb9d0c9c384dee11fe7b883de1ddcac57e27b4bec15c1cf9d20a4b32bb70e88		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28B9 8540 bytes

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