Malicious PDF — malware analysis report

Static analysis result for SHA-256 9a6eba8a5fbf22c8…

MALICIOUS

PDF

44.0 KB Created: 2020-03-28 07:53:02 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: bf8b7789e79990c2cd017c416cf8caa3 SHA-1: 1eef100c290fb9d388e864f8f29ed78564e7f160 SHA-256: 9a6eba8a5fbf22c813f04f2b9bd99f61a92fccfef8b10c75da7705c5be41c1b3
92 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, many of which are structured as SEO-optimized PDF lures. The document body text and extracted URLs suggest a lure related to MP3 downloads, aiming to direct users to potentially malicious websites. The ML classifier strongly indicated maliciousness, supporting the assessment of a phishing or malware distribution attempt.

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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://directorsofficersliabilityinsurance.wales/uploads/1/3/0/5/130550817/130550817.html#santrinos+mamadou+et+bineta+mp3+download
    • http://hhhorganics.net/uploads/1/3/0/9/130968926/rewofab.pdf
    • http://lionlifeacademysports.org/uploads/1/3/0/3/130313411/puvabuj-titujal.pdf
    • http://www.lindseymkurtz.com/uploads/1/3/0/4/130488934/9933711.pdf
    • http://assurance-realtor.com/uploads/1/3/0/7/130740192/2d5be92.pdf
    • http://autodiscover.muttairbrushandartsupply.com/uploads/1/3/0/8/130874146/8299081.pdf
    • http://djtommyd.com/uploads/1/3/0/4/130436298/cbbfe6.pdf
    • http://www.incphotoset.com/uploads/1/3/0/2/130271015/72748258588e92.pdf
    • http://adam-suarez.com/uploads/1/3/0/5/130539774/lurilav.pdf
    • http://fueltherainbow.com/uploads/1/3/0/7/130739287/463941daa8e59.pdf
    • http://www.julessalonandbarbering.com/uploads/1/3/0/7/130738943/a09a6a1a456e.pdf
    • http://monashsoccerclub.com/uploads/1/3/0/6/130621626/7a2090.pdf
    • http://miekebreukelen.com/uploads/1/3/0/2/130272381/455478.pdf
    • http://southbeachfishandchips.com.au/uploads/1/3/0/4/130435684/ximetinivarob.pdf
    • http://epiceditvideos.com/uploads/1/3/0/7/130775892/8379921.pdf
    • http://powerofbankinginyourhands.com/uploads/1/3/0/6/130621276/d3d76.pdf
    • http://74-123-72-104.mgwnet.com/uploads/1/3/0/7/130739223/5760776.pdf
    • http://betterreminderapp.com/uploads/1/3/0/8/130813458/xirotoliz.pdf
    • http://hairbyandrewschmitz.com/uploads/1/3/0/2/130287424/987877.pdf
    • http://www.mywright2bdazzled.com/uploads/1/3/0/6/130604656/mewabezel.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006a4b.bin
81e313d3130fa241d9bb585722092af66311a15465d6c067b7765abeebea158d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6A4B 9404 bytes
font_01_sfnt_off00008b79.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8B79 16036 bytes

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