Malicious PDF — malware analysis report

Static analysis result for SHA-256 85015aa01c075a1e…

MALICIOUS

PDF

42.2 KB Authoring application: Scribus
MD5: bd9f137695e290503c6e1bb8d1ba10df SHA-1: bc39ff1ae4b417a48ef1af763413535b13682306 SHA-256: 85015aa01c075a1e0c1e039a8c8b937a0f5eb29c14dc709c32e6ee8cb8cd710c
150 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including ClamAV and an ML classifier, as malicious. The PDF_SEO_LINK_FARM heuristic indicates the presence of a large number of external links, with the first identified URL being http://northumberlandday.net/uploads/1/3/0/5/130589998/depir.pdf. This suggests the document's primary purpose is to act as a link farm, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://northumberlandday.net/uploads/1/3/0/5/130589998/depir.pdf
    • http://newrootscharter.org/uploads/1/3/0/7/130739416/6510984.pdf
    • http://tomryan.com.au/uploads/1/3/0/6/130639406/93efd.pdf
    • http://northernmetal.shop/uploads/1/3/0/5/130551155/gepededupizozisodife.pdf
    • http://benjaminburnham.com/uploads/1/3/0/6/130621124/xejim_pakon_jidivexatonexo.pdf
    • http://lubbockministry.com/uploads/1/3/0/5/130546183/612711.pdf
    • http://ninjaproxies.info/uploads/1/3/0/5/130589088/kefuxu_gimaburonuvafa.pdf
    • http://muaarchi.com/uploads/1/3/0/4/130436050/c910a0318ca4305.pdf
    • http://blackfishmanresa.com/uploads/1/3/0/6/130604065/rokugekiwuloxokat.pdf
    • http://americanbeachtour.com/uploads/1/3/0/6/130620491/dovisozirivo.pdf
    • http://oakridgefootballbooster.com/uploads/1/3/0/6/130604919/zebasesopu.pdf
    • http://shopmaggiemaeboutique.com/uploads/1/3/0/7/130776877/pupudemeteges.pdf
    • http://acouturelife.com/uploads/1/3/0/5/130551257/130551257.html#achilles+tendonitis+treatment+compression+socks

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000152e.bin
ade6bf4a2b34d37c805cf085a1a117e7750e81bf0a947d61735031f991d0d41d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x152E 8336 bytes

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