Malicious PDF — malware analysis report

Static analysis result for SHA-256 23c589a37b5170aa…

MALICIOUS

PDF

40.0 KB Created: 2020-04-24 00:11:45 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 83ed53ce32c3f9f29c1bea3d27c6176b SHA-1: cf2cafba6f684e7885313029350509e5c851bb9b SHA-256: 23c589a37b5170aaa00e2cbdf7c90f1fcaf9602441713e8fa662cd78eef738bf
62 Risk Score

Malware Insights

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

The PDF document contains a lure related to a movie title and exhibits a PDF_SEO_LINK_FARM heuristic, indicating a large number of embedded external links. These links likely serve to distribute malicious content or manipulate search engine results. No scripts were extracted, but the sheer volume of external links suggests a content-driven lure or a link farm for further exploitation.

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://foto-en-zo.org/uploads/1/3/1/3/131384714/131384714.html#chimni+pakhar+marathi+movie+free++hd
    • http://proclaimingtruth.net/uploads/1/3/0/8/130873965/mupixofudazi.pdf
    • http://writingthroughthemadness.com/uploads/1/3/0/6/130605190/sototerepop_fasagurudozuxu_rubigozedi_taxufufoje.pdf
    • http://landscapelegends.com/uploads/1/3/1/3/131380971/zapaw-divop-gevinabukawu-gobokepilukadej.pdf
    • http://northshorecoaching.net/uploads/1/3/1/4/131412858/2628085.pdf
    • http://onpointmobilesolutions.com/uploads/1/3/0/6/130621746/12bea.pdf
    • http://authentic-t.com/uploads/1/3/0/2/130273582/77c0a214f0b49c9.pdf
    • http://limatourculinario.com/uploads/1/3/0/7/130739537/mazarez-wanawa.pdf
    • http://amseesamerica.com/uploads/1/3/0/2/130271004/1649744.pdf
    • http://cubanmissileproject.com/uploads/1/3/0/8/130814055/gubazemuvupit-verubapidod.pdf
    • http://proclaimingtruth.net/u
    • 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_off00005fc9.bin
3abf6f12000b579fc876f7574096c3a510b52b7669ec1ad759341dcbfa32e701		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5FC9 8584 bytes
font_01_sfnt_off00008099.bin
781191a97aa64e6d22f93c044f18104c9e1b88b9e9187bba3e415e48e1714abe		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8099 7084 bytes

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