Malicious PDF — malware analysis report

Static analysis result for SHA-256 adb47c5de8303048…

MALICIOUS

PDF

56.3 KB Created: 2020-08-30 19:44:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8e5682fd7bed0b73bce53267b8dac723 SHA-1: 980023a6f0b24faa95cb4b4bd7e25100f6859e84 SHA-256: adb47c5de83030486f28eda33c7972d7262024e7062f9211ef7d94d0b6b0149f
120 Risk Score

Malware Insights

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

The PDF file contains a link farm of numerous PDF documents, with the primary link pointing to a known malicious redirector. This suggests a social engineering attack aimed at directing users to potentially harmful content. The document body, though heavily obfuscated, contains references to the redirector URL and other benign-looking PDF links, likely to mask the malicious intent.

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.cc/wix?keyword=ceci+n+est+pas+une+pipe+translation
    • https://cdn.shopify.com/s/files/1/0429/4849/3475/files/el_poder_curativo_de_la_cabala_aharon_shlezinger_gratis.pdf
    • https://cdn.shopify.com/s/files/1/0434/8795/3053/files/james_5_bible_study_guide.pdf
    • https://cdn.shopify.com/s/files/1/0433/8352/1445/files/pitewi.pdf
    • https://cdn.shopify.com/s/files/1/0433/5265/3973/files/vutaxuzawef.pdf
    • https://static.usrfiles.com/ugd/b8c837_a422e836c42a4d85b8a812df5422cc6d.pdf
    • https://static.usrfiles.com/ugd/2f07a1_4a1d4164651846998fd57afb5edcbc03.pdf
    • https://static.usrfiles.com/ugd/b8c837_24bc800fa5614d73aaeccb19781f70d5.pdf
    • https://static.usrfiles.com/ugd/b8c837_c4dda66298124c45b7c90b0a0761bc49.pdf
    • https://static.usrfiles.com/ugd/b8c837_ef2582c110274be198c972eae91fd6fb.pdf
    • https://static.usrfiles.com/ugd/b8c837_47e7a86fa69c4d9eb9c52e1113801517.pdf
    • https://static.usrfiles.com/ugd/7baf93_e45c17b010e0461eb7ff06d2dd78ad6c.pdf
    • https://static.usrfiles.com/ugd/b8c837_04c12010efbb47888fa56a01f3ba7b10.pdf
    • https://static.usrfiles.com/ugd/b8c837_21b5a5a532714f12850f8b1957d32f77.pdf
    • https://static.usrfiles.com/ugd/b8c837_09866f46679549229b369d8bef85c2c7.pdf
    • https://static.usrfiles.com/ugd/9c43ec_72bbb2709acd4ab08a2885a3450c538c.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008982.bin
bec80674da8b618344d4e61f7aafafcf679163c0a196f449b56f8911b8fdeb15		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8982 5184 bytes
font_01_sfnt_off00009b68.bin
24164ca1d6c1364ff5a88faedc4a5c39658d74e47544cb46e956d44d0b52a07f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9B68 4832 bytes
font_02_sfnt_off0000abd3.bin
5d03b18972dd9590bf48a5770ac2dae1084a74a8d6ce3f2d4fed48018895796c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xABD3 12404 bytes

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