Malicious PDF — malware analysis report

Static analysis result for SHA-256 9953adf002a32e95…

MALICIOUS

PDF

32.5 KB Created: 2020-03-08 03:43:54 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 4362dec8fcf1e3c2634ebbf4b2f31111 SHA-1: 1116c92e044a15e521479e79f209cbc8ebbcba03 SHA-256: 9953adf002a32e95ad4c5d1167b5033be4f3335df92663bb95481f71b34acb7f
62 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. The document body text, though partially corrupted, includes references to 'Autocad electrical 2018 manual' and 'wkhtmltopdf', suggesting a lure for users seeking specific technical documentation. The primary intent appears to be directing users to a network of websites, likely for SEO spam or to host further malicious content.

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://seafoodfestivalgiveaways.com/uploads/1/3/0/3/130313836/130313836.html#autocad+electrical+2018+manual
    • http://eastpointtradecenter.com/uploads/1/3/0/7/130776247/3965943.pdf
    • http://webdisk.impactchristianfc.com/uploads/1/3/0/2/130273798/piramesodow-pejalarale-xowelus-junenerim.pdf
    • http://www.olddominionsausage.gammaxiques.org/uploads/1/3/0/5/130543757/lukulugox.pdf
    • http://kurtgegenhuber.com/uploads/1/3/0/8/130814110/vudazuf.pdf
    • http://www.austinsalternativeadventures.com/uploads/1/3/0/4/130483325/tasenefit-pijewewuz-nabuburu-sibavevez.pdf
    • http://mta-sts.mx.southaustinkarate.com/uploads/1/3/0/6/130639486/vixuvozakavijere.pdf
    • http://myersac.com/uploads/1/3/0/6/130605325/6071205.pdf
    • http://akkijyrkka.com/uploads/1/3/0/6/130605505/sesevigemabufaridijo.pdf
    • http://horatiokemeny.com/uploads/1/3/0/7/130776204/1745b.pdf
    • http://autodiscover.thecoolingrackcustomcakes.com/uploads/1/3/0/4/130436159/f6e708e44041.pdf
    • http://visitcaddogap.com/uploads/1/3/0/6/130620556/wasulaguwuf-fukorogu-jinabusanax.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_off0000560f.bin
96fe781d29845056040a4b7635cba10c934c3601e5d8a838224424390bd12c3e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x560F 7588 bytes

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