Malicious PDF — malware analysis report

Static analysis result for SHA-256 6d08e5764146ceb7…

MALICIOUS

PDF

37.8 KB Authoring application: Scribus
MD5: e17c854b5133db1d60e5db4aacef8e36 SHA-1: 99d0cf3e7707a1086c6c884d03ae309174fe1f3e SHA-256: 6d08e5764146ceb73ba7404c98b79458425789cb24ebc835f4be10f85080a7b6
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of external links, many of which point to other PDF files, suggesting a link farm designed to distribute malicious content. ClamAV identified the file as 'Pdf.Phishing.TtraffRobotInstall-7605656-0', and a machine learning classifier also flagged it with high confidence. The embedded URLs are likely used to redirect users to phishing or malware download sites.

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://www.smarterhomesconstruction.com/uploads/1/3/0/3/130323462/68836.pdf
    • http://omeganaturals.ca/uploads/1/3/0/5/130588551/f62e79a61e.pdf
    • http://severedlegproductions.com/uploads/1/3/0/5/130539165/2778215.pdf
    • http://bullyfreeyork.com/uploads/1/3/0/4/130475959/bajitos.pdf
    • http://nazmuska.com/uploads/1/3/0/8/130814007/9095ae0af6960a4.pdf
    • http://flipcirco.com/uploads/1/3/0/5/130589095/vuvebamala.pdf
    • http://hostmaster.rivermethodistchurch.org.uk/uploads/1/3/0/8/130813550/27c42b097.pdf
    • http://morristileva.com/uploads/1/3/0/5/130588157/nelisisuwuwese_lofifam_pemiginajijazem_gowide.pdf
    • http://sbhcoaching.com/uploads/1/3/0/6/130605506/23dd1bdfc858680.pdf
    • http://merchantsac.net/uploads/1/3/0/3/130379445/genosizomolawimepom.pdf
    • http://www.annejacobsonmusicstudio.com/uploads/1/3/0/8/130874252/wabimuki.pdf
    • http://greeneorgan.net/uploads/1/3/0/5/130588366/7246201.pdf
    • http://santanvalleycopperbasin.com/uploads/1/3/0/6/130620475/4384fa8b4c95786.pdf
    • http://maryparker.net/uploads/1/3/0/4/130488345/0d1eeecbe86b.pdf
    • http://mjtservices.info/uploads/1/3/0/7/130739544/kawiretikuna.pdf
    • http://johnsteinman.net/uploads/1/3/0/7/130776483/ee6a39d4c.pdf
    • http://northchannelnetwork.org/uploads/1/3/0/2/130287842/7838462.pdf
    • http://moonlight.gffgrow.org/uploads/1/3/0/7/130776309/1234798.pdf
    • http://www.alighahremaninezhadmiami.com/uploads/1/3/0/5/130545895/dupunujij.pdf
    • http://kptranstaniebusy.pl/uploads/1/3/0/2/130270905/3de96944178.pdf
    • http://skadooshdance.com/uploads/1/3/0/7/130775002/wowituvo.pdf
    • http://jumpreading.com/uploads/1/3/0/6/130604919/3396505.pdf
    • http://www.booksandchocolates.com/uploads/1/3/0/6/130621076/bawobibegovovafo.pdf
    • http://z24ura.salon225.com/uploads/1/3/0/8/130873992/130873992.html#august+current+affairs+affairscloud

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000318a.bin
b0517aac20c718586ab27e54930a83b177a828991f6f4135a0e59c29cca2ecc1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x318A 7816 bytes

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