Malicious PDF — malware analysis report

Static analysis result for SHA-256 c0c3ec74ad30715d…

MALICIOUS

PDF

44.2 KB Authoring application: pstoedit
MD5: 1b3e82e4e5540aaeda7449e72f8382f3 SHA-1: 3eadb3d14b8203054a982d3bbc1ac54f86fc8a50 SHA-256: c0c3ec74ad30715d5957c1e2373a59a4eaa6d56566d6368165e31f9bbc89c99c
150 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs, indicative of a link farm or redirection scheme. The ClamAV detection and ML classifier strongly suggest malicious intent, specifically related to phishing or traffic redirection. The heuristic 'PDF_SEO_LINK_FARM' confirms the presence of numerous external links, with 'darkskyislands.net' being a dominant host. No scripts were extracted, limiting the analysis of direct execution capabilities.

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://darkskyislands.net/uploads/1/3/0/5/130550664/solawozona-vujemaxax.pdf
    • http://oaktreecapllc.com/uploads/1/3/0/8/130873842/1c1913c.pdf
    • http://humanoidrobot.net/uploads/1/3/0/5/130540104/zipaluforofij_kipereja_wowoxif_mebokusubozada.pdf
    • http://circusla.com/uploads/1/3/0/7/130775245/59cbb2df2.pdf
    • http://bergerondodgechryslerjeep.com/uploads/1/3/0/7/130738603/5136739.pdf
    • http://verosoup.com/uploads/1/3/0/6/130605273/3e6b59356d5cc6.pdf
    • http://indiecomicshub.com/uploads/1/3/0/4/130483512/xekolamizepu.pdf
    • http://ruthbavetta.com/uploads/1/3/0/7/130739147/gamozi-tujexabanaga-puloxu.pdf
    • http://movertoolkit.com/uploads/1/3/0/3/130379435/bfce2d334845.pdf
    • http://peterstownshipgolf.org/uploads/1/3/0/7/130775476/207eedeeaea05b7.pdf
    • http://kevinskids.org/uploads/1/3/0/5/130588363/jurerori.pdf
    • http://angelaparrishphotography.com/uploads/1/3/0/2/130270874/koxel.pdf
    • http://www.psycologyandediting.com/uploads/1/3/0/2/130287533/beduve-xeminilagav-raligumajimazor-tanogagodixewoj.pdf
    • http://kellyandirvine.com/uploads/1/3/0/4/130489437/fasawatofosadib.pdf
    • http://prdistributors.net/uploads/1/3/0/4/130435556/523a79194269054.pdf
    • http://wfhaysfamilymedicine.com/uploads/1/3/0/7/130775592/3756077.pdf
    • http://learninglifestyleproject.net/uploads/1/3/0/4/130476024/xedusex-sodisatenixuro-putopibirafare.pdf
    • http://beeldschermverhuur.eu/uploads/1/3/0/3/130313198/3275b1f83727.pdf
    • http://instpastoralsocialwagha.org/uploads/1/3/0/4/130488181/130488181.html#top+6+kettlebell+core+exercises

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004fef.bin
452f8a46a192fffe3c2efee304a6666aab6a3340dc0fb5955720ea70967bc0be		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4FEF 7832 bytes

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