Malicious PDF — malware analysis report

Static analysis result for SHA-256 8fb2063b9333f1af…

MALICIOUS

PDF

43.2 KB Created: 2020-04-02 21:17:08 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 6f188af5e7d810effec84df17debfffe SHA-1: 66e9587619a91e216ce6c43925d81dc603035539 SHA-256: 8fb2063b9333f1afd12b9d69ddc71aa08b6b15bf4ec2943b2acb2dbce30c65ef
62 Risk Score

Malware Insights

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

This PDF document contains a large number of external links to other PDF files hosted on various domains, characteristic of a link farm or SEO spam campaign. The document body, though partially corrupted, contains a URL that points to a similar PDF file. The primary intent appears to be directing users to a network of SEO-optimized content, likely for traffic generation or potentially to host malicious payloads.

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://adoptme.info/uploads/1/3/0/5/130588727/130588727.html#geography+bee+practice+4th+grade
    • http://shoplarynshairtherapy.com/uploads/1/3/0/8/130813705/d85fe.pdf
    • http://apleasantlife.net/uploads/1/3/0/2/130289355/diduto.pdf
    • http://rannistan.com/uploads/1/3/0/7/130775434/jokowiwunigase.pdf
    • http://aeriefarm.net/uploads/1/3/0/4/130490151/josewapikofowa.pdf
    • http://pedicab.dk/uploads/1/3/0/7/130776763/xuxumadakiwog-lekel.pdf
    • http://bestcruisestoursandtravel.net/uploads/1/3/0/4/130476204/7841169.pdf
    • http://thecloverboutique.com/uploads/1/3/0/7/130775867/9185844.pdf
    • http://sphrubc.ca/uploads/1/3/1/3/131380339/65c885bb3bb2.pdf
    • http://tothewhistleltd.com/uploads/1/3/0/6/130620575/losuxitu.pdf
    • http://lifeinsurancelaverne.com/uploads/1/3/1/1/131164398/dajug_muxilixi.pdf
    • http://corvuspress.net/uploads/1/3/0/6/130605002/584501.pdf
    • http://oa100.org/uploads/1/3/0/4/130488387/359ec109.pdf
    • http://60roll.com/uploads/1/3/0/6/130604820/5682081.pdf
    • http://50klawn.net/uploads/1/3/0/5/130590367/1684535.pdf
    • http://feustelfoodservice.com/uploads/1/3/1/1/131163695/0f3092adce96.pdf
    • http://barnhartrentals.com/uploads/1/3/0/6/130604078/4617884.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006b66.bin
1bb5a1be2ed2b4184a6ac520933595d773540318ca08060960cdb729e41635e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B66 7976 bytes
font_01_sfnt_off00008a56.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8A56 16036 bytes

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