Malicious PDF — malware analysis report

Static analysis result for SHA-256 eb9e8c10a2395708…

MALICIOUS

PDF

47.8 KB Created: 2020-04-03 17:39:18 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 61165c88c792af19436a9cd5617e3a74 SHA-1: 7a4e33f45927a5111146bb45dd0c3d5460de4d2f SHA-256: eb9e8c10a2395708d5f51a15fecbed5e74c8d702dcc7ac2b124e8a9558931344
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, disguised with a lure of an 'Appalachian trail guide book'. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of links pointing to various domains, suggesting a link farm or redirection scheme. The primary URL identified is http://darrenskitchen.com/uploads/1/3/1/4/131407110/131407110.html#appalachian+trail+guide+book, which likely serves as the initial entry point for the malicious activity.

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://darrenskitchen.com/uploads/1/3/1/4/131407110/131407110.html#appalachian+trail+guide+book
    • http://rockportrenovation.com/uploads/1/3/0/6/130604935/zamozarewolekep_detapalizegi.pdf
    • http://a1derryhomedoctors.com/uploads/1/3/0/7/130776657/756811.pdf
    • http://matkaswim.com/uploads/1/3/0/2/130289313/4097552.pdf
    • http://toycity.com/uploads/1/3/1/0/131071114/15ed76215a.pdf
    • http://staylordesigns.com/uploads/1/3/0/6/130604133/jikobupefujonap_beziz.pdf
    • http://lsestore.com/uploads/1/3/0/5/130588246/fufagipira.pdf
    • http://portland-concrete.com/uploads/1/3/0/7/130776659/f086bd.pdf
    • http://getit.kim/uploads/1/3/0/9/130969654/3926411.pdf
    • http://isanybodylisteningtome.com/uploads/1/3/0/5/130547275/pilamikafojevoron.pdf
    • http://therustypinecone.com/uploads/1/3/0/9/130969488/2369497.pdf
    • http://thebarberrichard.com/uploads/1/3/0/3/130313123/6da1ee3.pdf
    • http://thepharmarketeer.com/uploads/1/3/0/6/130620363/311fa1.pdf
    • http://mermaidsransom.com/uploads/1/3/0/5/130550789/pilodavusomuzofu.pdf
    • http://spilledbeanscoffee.com/uploads/1/3/0/2/130287878/4757016dacd4.pdf
    • http://allanangelprinting.com/uploads/1/3/1/0/131070498/3214507.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_off00009184.bin
b444fa1e324c095516d02cfc4629e3f098552c527bf010ca2d0646b228b74ba3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9184 7972 bytes

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