Malicious PDF — malware analysis report

Static analysis result for SHA-256 e1db3b9cf0018c5a…

MALICIOUS

PDF

38.3 KB Created: 2020-03-11 05:01:27 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 47ede1af812c5bb8fe525cdd9df7c7d7 SHA-1: 7a74feed99f73c2076c702f1fbffc08b10c0b5e1 SHA-256: e1db3b9cf0018c5a548d7807c6fbd1a854fbf37be7438e6dbdff018f92c60ef6
62 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing indicating a link farm of 30 external PDF links, predominantly hosted on `tedsclothing.com`. The document body also contains a URL pointing to `www.foodinnovationstown.com`. This suggests the primary purpose is to direct users to a large number of external resources, likely for SEO manipulation or to distribute further malicious content. 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://www.foodinnovationstown.com/uploads/1/3/0/7/130775825/130775825.html#key+differences+between+bacteria+and+archaea
    • http://tedsclothing.com/uploads/1/3/0/5/130540700/19916e.pdf
    • http://royaltramp.shop/uploads/1/3/0/7/130739502/9552913.pdf
    • http://lynalen.com/uploads/1/3/0/6/130621470/bazazivogav-zaxid.pdf
    • http://nautydoggundogkennels.com/uploads/1/3/0/4/130477490/4334685.pdf
    • http://oakridgefootballbooster.com/uploads/1/3/0/5/130588376/bumalakomimurojixexe.pdf
    • http://christiezimmer.ca/uploads/1/3/0/5/130588749/b0e193b.pdf
    • http://eolefrance.com/uploads/1/3/0/7/130739962/fojevoroli_liruxuxi.pdf
    • http://mellowspaparties.com/uploads/1/3/0/7/130739917/70cf149.pdf
    • http://opbalphabetnyc.org/uploads/1/3/0/5/130548108/3a7e2d120e7.pdf
    • http://angelcleaningservice.net/uploads/1/3/0/4/130489172/1417220.pdf
    • http://miseenplace1101.com/uploads/1/3/0/4/130483629/6f912b09c11.pdf
    • http://plaid2pumps.com/uploads/1/3/0/5/130542780/nopanuxoxaxinimur.pdf
    • http://www.jesusisoursheperdministry.com/uploads/1/3/0/6/130604259/0efa5.pdf
    • http://allaboutgreenvillesc.com/uploads/1/3/0/5/130543264/nogowe-xatutip-lesomafe.pdf
    • http://elpacifico2hoa.com/uploads/1/3/0/8/130874095/2009362.pdf
    • http://jhoannaroa.com/uploads/1/3/0/7/130775171/9566132.pdf
    • http://twistedclothing.com.au/uploads/1/3/0/7/130739183/4375921.pdf
    • http://pellikaanonroerendgoedbeheer.nl/uploads/1/3/0/4/130483337/pegula.pdf
    • http://www.selfloveinplainsight.com/uploads/1/3/0/6/130640231/0b1aa5531388e2.pdf
    • http://mean-muggin.com/uploads/1/3/0/6/130621194/7587008.pdf
    • http://exeunt.org/uploads/1/3/0/8/130813777/suveg.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000691e.bin
85be4cb3cc03a6dae0f6eda559ef585cf3864212ca7754808c595ae7cdc5050f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x691E 7564 bytes
font_01_sfnt_off000086b8.bin
a43b702c1ad01ce973872bad3280a2e679e345b633fa0659c670c80b626dd65b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x86B8 2712 bytes

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