Malicious PDF — malware analysis report

Static analysis result for SHA-256 9a8542e671fdd579…

MALICIOUS

PDF

38.4 KB Created: 2020-05-10 23:53:48 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 5409d119a8c92f4db4400a1845a92686 SHA-1: 28550c3a91ef76887e0d2ca9bf553bf1b0dff4c8 SHA-256: 9a8542e671fdd57949b4f81f63eea272597da0f8f114b54d579d8c4ca911c34e
62 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or a distribution point for malicious content. The document body is heavily obfuscated and contains some of the URLs, reinforcing the link-based attack pattern. No scripts were extracted from this sample.

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://indianavalueaddportfolio.com/uploads/1/3/0/4/130477245/130477245.html#bio+inc+guide
    • http://kraimgroup.com/uploads/1/3/0/7/130740477/b9c8ae.pdf
    • http://leflat.pt/uploads/1/3/0/6/130639454/9199964.pdf
    • http://vlc-habitation.com/uploads/1/3/0/6/130604108/zamuwepelimevip_niteratof_kebowovez.pdf
    • http://familyessentials.net/uploads/1/3/0/5/130589002/fdd8f5d1329937.pdf
    • http://theconnectgoddess.com/uploads/1/3/0/9/130969917/c03692.pdf
    • http://foxandgator.com/uploads/1/3/1/0/131070294/9893fa1c9ba.pdf
    • http://zhonglab.org/uploads/1/3/1/4/131411147/4342785ac.pdf
    • http://egenuma.com/uploads/1/3/0/7/130776483/dozidajuvaza.pdf
    • http://masteringmagic.net/uploads/1/3/1/4/131407351/tabapejoputawexa.pdf
    • http://sallysstudiobradneton.com/uploads/1/3/1/4/131438337/6e7cbb40e5.pdf
    • http://celtom.com/uploads/1/3/0/2/130272403/jivipak.pdf
    • http://handmadeofclay.com/uploads/1/3/0/5/130544131/86282b8.pdf
    • http://goodseedsshop.com/uploads/1/3/0/8/130873738/2f143.pdf
    • http://katelynandrewsmassage.com/uploads/1/3/0/3/130323422/9f97c32a9.pdf
    • http://thegreyhouseemporiumonline.com/uploads/1/3/0/4/130436190/53eb0f346f9.pdf
    • http://jacleaningservices.net/uploads/1/3/0/6/130621846/pujida-bakesebiwelizu-bujaturizoton-wixulebebo.pdf
    • http://aliciathoms.com/uploads/1/3/0/6/130621719/nijamebadit-vojiga-paxamexofolevu.pdf
    • http://ridleystallingsrealestate.com/uploads/1/3/0/2/130289662/gavekuguferizamiso.pdf
    • http://energyefficiententerprises.com/uploads/1/3/1/4/131437859/lovudobijes.pdf
    • http://lakeac.com/uploads/1/3/0/2/130287299/643cf186.pdf
    • http://barnwoodbilliards.com/uploads/1/3/1/6/131636747/vamezilad_sizugijugozul_sewemuneriz_wuzokorurafixim.pdf
    • http://energyefficiententerprises.com/uploads/1/3/1/4/131437859/lovudobijes
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • 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_off00006b21.bin
b9c0d68bad4d56ca4060c4ac7177a80bb9b5df5a5c41616802a56a6e619684d2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B21 10508 bytes

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