Malicious PDF — malware analysis report

Static analysis result for SHA-256 a7c9e0d9a68021df…

MALICIOUS

PDF

39.1 KB Created: 2020-06-01 23:42:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4ac4f22399bcacc265a96b2070dd6e17 SHA-1: c8f6b33139e70d68dc73ea681e0f8f7b5c4d20c6 SHA-256: a7c9e0d9a68021df54a8cbabffaed258bfb17c7f41357b1f6106fc6d7d8d2070
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many of which are structured to appear as SEO content. The document body itself is heavily obfuscated but contains references to PDF editing software and URLs, suggesting a lure to external malicious or spam content. The primary attack pattern involves directing users to a link farm, likely for SEO manipulation 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://desireelpaso.com/uploads/1/3/0/4/130435777/130435777.html#foxit+advanced+editor
    • http://omasbakery.com/uploads/1/3/0/4/130488547/lidubume.pdf
    • http://naraxis.com/uploads/1/3/0/5/130540645/7765610.pdf
    • http://petratravelinc.com/uploads/1/3/0/7/130775163/derogumumerasili.pdf
    • http://aljebr.com/uploads/1/3/0/3/130379365/tubazikerud-satovexudobefi.pdf
    • http://reporting-focac.com/uploads/1/3/0/3/130313072/bb4c3.pdf
    • http://lovemyshoesco.com/uploads/1/3/0/6/130620796/5349714.pdf
    • http://askdradiro.org/uploads/1/3/1/4/131482894/sirinafe_gamimolekogo_nojoxusejose.pdf
    • http://tqhlk.slpny.com/uploads/1/3/0/3/130323806/lajufolisamudat.pdf
    • http://desireelpaso.com/uploads/1/3/0/4/130435777/terms.html
    • http://desireelpaso.com/uploads/1/3/0/4/130435777/dmca.html
    • http://desireelpaso.com/uploads/1/3/0/4/130435777/policy.html
    • https://rebadatewi.files.wordpress.com/2020/05/vojifepefifaxejowamorarid.pdf
    • https://diwunibe.files.wordpress.com/2020/05/88349329083.pdf
    • https://pinuraliwa9571753.files.wordpress.com/2020/05/3666699525.pdf
    • https://vajozix.files.wordpress.com/2020/05/6135327482.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_off000061c2.bin
00d399047d4b54e07ffb20b609015f74f2db73855b7fb5b30de1812a0ec54b8f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x61C2 21352 bytes

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