Malicious PDF — malware analysis report

Static analysis result for SHA-256 adaab0039885591f…

MALICIOUS

PDF

28.6 KB Authoring application: OpenOffice.org
MD5: b567238a4765ffd4ac1cfd914ffbb2cc SHA-1: 29835ad93f0cbdb795dc7fd50502bd1cb2a46db0 SHA-256: adaab0039885591ff444f7983f09a0927fca072ffdf31754dc76c9045a866710
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or redirection scheme. The ML classifier and ClamAV detection strongly indicate malicious intent. The document body, though partially corrupted, mentions 'Karrimor walking boots size guide' and includes numerous URLs, reinforcing the phishing or scam lure. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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 https://puluwulaxisig.weebly.com/uploads/1/3/0/2/130288753/2705909.pdf
    • https://zimurowu.weebly.com/uploads/1/3/0/4/130489933/b91714dcff.pdf
    • http://susanrydberg.com/uploads/1/3/0/7/130739190/0b8ce2e4.pdf
    • http://newceo.hplct.org/uploads/1/3/0/2/130291489/654579.pdf
    • http://bud-spencer.org/uploads/1/3/0/3/130379351/wozajujoreliv.pdf
    • http://hidefdjs.com/uploads/1/3/0/5/130544243/7239961.pdf
    • http://metconeng.ca/uploads/1/3/0/6/130603721/kaginudefen_giniziduk_bilisavadigid.pdf
    • http://apolloniacampaign.info/uploads/1/3/0/4/130436049/4b524a6a6b4.pdf
    • http://palmandpine.net/uploads/1/3/0/3/130313426/f60154982.pdf
    • http://nere.thewunderland.website/uploads/2020/01/29/4173380.pdf
    • http://potterysocial.com/uploads/1/3/0/5/130551341/joloveramuzi.pdf
    • http://ankezimmermann.ca/uploads/1/3/0/5/130551064/130551064.html#karrimor+walking+boots+size+guide

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011e0.bin
e5e4a80f36a4c3b90965a16fa9f8f975c1af7e5f1f0c8cbdf314451ad486fbe8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11E0 6740 bytes

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