Malicious PDF — malware analysis report

Static analysis result for SHA-256 1d0b04434098434d…

MALICIOUS

PDF

42.4 KB Created: 2020-08-29 01:06:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8cfda8ab5cf650f2dfdc2a0c42c2f070 SHA-1: 5fe87f0a456ed69c87baf79d714a8862c339d0b9 SHA-256: 1d0b04434098434d46d9f6a8a7779515560251c5069cfa9b4644e17f6a0f24a9
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, a common tactic for SEO poisoning or link farming. One of the primary links, disguised with game-related text, points to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'Divinity original sin 2 skill book crafting' and a URL that matches the malicious redirector, reinforcing the lure.

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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 https://ttraff.com/wix?keyword=divinity+original+sin+2+skill+book+crafting
    • https://cdn.shopify.com/s/files/1/0436/9724/2280/files/greeting_card_border_template_free.pdf
    • https://cdn.shopify.com/s/files/1/0438/5836/2528/files/vasonawubasewavogojomi.pdf
    • https://cdn.shopify.com/s/files/1/0429/3571/3958/files/laweg.pdf
    • https://static.usrfiles.com/ugd/b8c837_b4904fb0ba084e1d9d91f1739727aeed.pdf
    • https://static.usrfiles.com/ugd/b8c837_66dc8210f9214acfbe9ec9d284a283d5.pdf
    • https://static.usrfiles.com/ugd/b8c837_b34cfbf19d4b4a6b836b37eb174c7943.pdf
    • https://static.usrfiles.com/ugd/b8c837_7746f27624a447689928a2356cdaa579.pdf
    • https://cdn.shopify.com/s/files/1/0447/4513/0133/files/dexuzapejopirigubavi.pdf
    • https://cdn.shopify.com/s/files/1/0430/3503/3757/files/autocad_drawing_dwg_file.pdf
    • https://cdn.shopify.com/s/files/1/0462/5367/0554/files/13161487965.pdf
    • https://cdn.shopify.com/s/files/1/0430/8136/7712/files/wings_of_fire_book_8_free.pdf
    • https://cdn.shopify.com/s/files/1/0431/6535/2093/files/xusapabumovixofi.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_off00005bd9.bin
c1cf278162f8c6ef6e34e3d2dacfe38b75b8298d19bf67ab36ef5f6e7bd4b8c1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5BD9 5548 bytes
font_01_sfnt_off00006edd.bin
71183451a3092104bd7d87c9964f319f90b58e62a6d64e78de9e44240ddca543		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6EDD 14112 bytes

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