Malicious PDF — malware analysis report

Static analysis result for SHA-256 212555b1c38d51f8…

MALICIOUS

PDF

51.2 KB Authoring application: ImageMagick
MD5: 882c332fe1a3b656af027e705b1a825e SHA-1: 23f032b519b2fd794869a4e05908e1823d1c04ad SHA-256: 212555b1c38d51f86e7ff95c2c7c38e2f890a28e011acbb51156e6e9a7586f47
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, a technique often used for SEO spam or to direct users to malicious sites. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic-driving intent. No scripts were extracted, and the document body content is largely obfuscated, making it difficult to determine a more specific attack pattern beyond link farming.

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://suxelowal.interneta.fun/uploads/2020/01/28/gurex.pdf
    • https://sesivipugojube.weebly.com/uploads/1/3/0/5/130539758/semoxuwo-xatix-gadubazarureji.pdf
    • http://uxpuli.com/uploads/1/3/0/7/130740242/5433006.pdf
    • http://miacurcargo.com/uploads/1/3/0/6/130620869/9bec40.pdf
    • http://beachfrontcondosfl.com/uploads/1/3/0/5/130542971/e2f98f4a65cff.pdf
    • http://modernsteps.net/uploads/1/3/0/3/130323733/mejovos.pdf
    • http://visionaryhealthcare.com.au/uploads/1/3/0/3/130313513/03b7337c7a.pdf
    • http://micahjoel.net/uploads/1/3/0/5/130588445/bcbbf27fb8da7.pdf
    • http://joy-fully.us/uploads/1/3/0/6/130621840/muruwut_wugomefix_luvigazitejoro.pdf
    • http://jonijohnston.com/uploads/1/3/0/5/130543368/7896669.pdf
    • http://zoz.veredas.online/uploads/2020/01/29/1860241.pdf
    • http://northdallasepilepsy.com/uploads/1/3/0/5/130539345/4606218.pdf
    • http://rehphotography.org/uploads/1/3/0/2/130273962/130273962.html#jasmine+test+coverage+report

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000139d.bin
21e19d7b46860f505b8e61b95caf72f180b2a17e501214df7b3de860aed7eae4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x139D 9380 bytes
font_01_sfnt_off00007b36.bin
0a19d3ec01c2bd5f2da2e654894ff9caac3df97291af1acb5ff150be3e6b34cf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7B36 18100 bytes

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