Malicious PDF — malware analysis report

Static analysis result for SHA-256 39264f698e867426…

MALICIOUS

PDF

41.4 KB Created: 2020-05-12 23:47:35 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 03215c316bdae850b2df4b39af243a08 SHA-1: ff6ae47deebfa6f586d41acf014990ebb1d4f7ec SHA-256: 39264f698e867426ec79302840122b13fa8d2234e7531e69dccf88f748e22f5f
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The document body, though partially corrupted, contains references to URLs that are also present in the list of extracted URLs. This suggests the primary function of this PDF is to act as a link farm, directing users to potentially malicious websites.

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://cheatyblinders.com/uploads/1/3/0/7/130775231/130775231.html#post+nuptial+agreement+maryland+template
    • http://braaschlab.org/uploads/1/3/0/9/130969627/nemerogi_joxazigonez.pdf
    • http://superiorlawncare.us/uploads/1/3/1/3/131381095/9e162fd.pdf
    • http://basket24h.com/uploads/1/3/0/7/130739970/pepivirusiw-dumage-xabuwipuju-gibiwi.pdf
    • http://apple-caien.com/uploads/1/3/0/7/130739597/tugeterukitufi-xupel-bejuvifazilir.pdf
    • http://grotfeldtsparrow.com/uploads/1/3/0/4/130491757/1069a60cd.pdf
    • http://ritapridgeonsrtcevidence.com/uploads/1/3/1/0/131070054/kusivozegav.pdf
    • http://flawlesslytanned.com/uploads/1/3/0/7/130775835/nefifop.pdf
    • http://handsolo101.com/uploads/1/3/1/0/131070883/gugunaduxa-vawulokajitaj-depeniwuzolipur-kojatikaf.pdf
    • http://onegirlstakeonmoney.com/uploads/1/3/0/5/130551488/3062702.pdf
    • http://usanewbiology.com/uploads/1/3/0/6/130621840/3307363.pdf
    • http://v2hinsdaleunitarian.org/uploads/1/3/0/5/130550774/8ddbf.pdf
    • http://melaniebatesphotography.com/uploads/1/3/0/7/130739651/sipudibimivanaf.pdf
    • http://brianchonggallery.com/uploads/1/3/0/8/130813539/3915348.pdf
    • http://irishbeerandwhiskeyfestival.com/uploads/1/3/0/9/130969083/mituve.pdf
    • http://rskhan.com/uploads/1/3/1/3/131381369/zegaselefi.pdf
    • http://exoticstitches.com/uploads/1/3/0/5/130543029/9535414.pdf
    • http://caribbeanphoneunlock.com/uploads/1/3/0/5/130550967/1746310.pdf
    • http://experience-house.com/uploads/1/3/0/4/130476396/vutubupikeli.pdf
    • http://markdobiesfitness.net/uploads/1/3/0/6/130620865/nolujogituxagivuw.pdf
    • http://gcphysicianadvisors.com/uploads/1/3/1/4/131453393/rawamuxodix_wowidibovagak_ferex_genusu.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_off00007277.bin
7284eb9e6c0be7710e1152fa14c3348180e9ff9d30f2cf2c42683eb9bc145f50		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7277 11388 bytes

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