Malicious PDF — malware analysis report

Static analysis result for SHA-256 d85dc51d6b6124f4…

MALICIOUS

PDF

33.4 KB Created: 2020-03-29 05:41:17 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: b6c294c8127262d1daf8e696fccb4dff SHA-1: c2ae9edf040042728186f738a92c55e6281ae3d7 SHA-256: d85dc51d6b6124f411289171c79838527a1fccd00cf39ff020cb8739302baaf1
92 Risk Score

Malware Insights

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

This PDF document exhibits characteristics of a link farm, designed to direct users to numerous external websites. The document body, though partially corrupted, contains references to movie titles and the authoring application, suggesting a lure to potentially malicious content. The PDF_SEO_LINK_FARM heuristic firing confirms the presence of a mass external link farm, with the primary domain being petsaver.net. The ML classifier strongly indicates maliciousness.

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://7levelselling.stefanaarnio.com/uploads/1/3/0/5/130543945/130543945.html#pride+and+prejudice+full+movie+free+online+watch
    • http://petsaver.net/uploads/1/3/0/7/130776366/kabeponasoboxon_suloxemub_tefobidej.pdf
    • http://idlewildmusicroom.com/uploads/1/3/0/5/130588834/nexul.pdf
    • http://inspiremytalk.com/uploads/1/3/0/7/130739894/tojali-kuzelupo-pudolipo.pdf
    • http://113366.co/uploads/1/3/0/2/130289377/5815186.pdf
    • http://dekastanje.nl/uploads/1/3/0/9/130969917/2339601.pdf
    • http://oilfreewater.org/uploads/1/3/0/2/130288492/belabud-tavorame-kidogafopavaso.pdf
    • http://www.cannaole.com/uploads/1/3/0/6/130604833/6413648.pdf
    • http://emailernewsletter.com/uploads/1/3/0/4/130489230/zomugafobu.pdf
    • http://autodiscover.oliveandyew.com/uploads/1/3/0/2/130274376/mivojolowegaw.pdf
    • http://ecotourismforeducators.com/uploads/1/3/0/9/130969090/4206314.pdf
    • http://cowlickcompany.com/uploads/1/3/0/7/130739076/ba940f0b00.pdf
    • http://carcareaustralasia.com.au/uploads/1/3/0/6/130621025/813d1e4.pdf
    • http://6x6designbuild.com/uploads/1/3/1/1/131163788/f96a59a8b6.pdf
    • http://www.memascookieshack.com/uploads/1/3/0/6/130604855/5190236.pdf
    • http://potentialdev.com/uploads/1/3/0/4/130483390/wavarubidesawakoj.pdf
    • http://74-123-75-34.mgwnet.com/uploads/1/3/0/6/130603961/wurexex.pdf
    • http://wonderkidz.net/uploads/1/3/0/6/130604088/vibekigirame.pdf
    • http://acgr.info/uploads/1/3/0/5/130538870/mewugudoril-fowofawe-fukalogop.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 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005a51.bin
a5cf154906b6a6585feb38803e59e7f56bd1951e8b3013854897734de50c2511		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A51 7764 bytes

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