Malicious PDF — malware analysis report

Static analysis result for SHA-256 ae9e37a91d640248…

MALICIOUS

PDF

50.4 KB Created: 2020-09-09 11:13:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3fe983592240b8cfb8bf4304c2621d22 SHA-1: bdaa0888ab672e1086deb9a4d7fa155c71116725 SHA-256: ae9e37a91d64024803fc9efafbebd2bfe87dfd197b74150d5d3a77c07f8c7b21
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link to a known malicious redirector, ttraff.me, which is likely used to obscure the final destination of the malicious payload. The document body, though heavily obfuscated, contains the same URL and a reference to 'dragon ball super', suggesting a lure. The presence of numerous other PDF links, many hosted on Shopify, indicates a potential link farm or SEO poisoning tactic to increase visibility.

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.me/wix?keyword=imagenes+del+androide+17+dragon+ball+super
    • https://cdn.shopify.com/s/files/1/0430/6783/4517/files/amnesia_memories_premium_apk_cracked.pdf
    • https://cdn.shopify.com/s/files/1/0427/8091/7926/files/barbarian_queen_full_movie.pdf
    • https://cdn.shopify.com/s/files/1/0437/3089/4999/files/maths_puzzle_questions_with_answers.pdf
    • https://cdn.shopify.com/s/files/1/0438/5302/1334/files/capybara_cheat_sheet.pdf
    • https://cdn.shopify.com/s/files/1/0429/0389/6230/files/92717129004.pdf
    • https://cdn.shopify.com/s/files/1/0435/8779/7155/files/14127215179.pdf
    • https://cdn.shopify.com/s/files/1/0449/8125/6360/files/calorimetry_physics_problems.pdf
    • https://cdn.shopify.com/s/files/1/0431/4752/6305/files/mozorun.pdf
    • https://static.usrfiles.com/ugd/5ea4d5_9f3d40e884ee45b2b7cf081a56a44221.pdf
    • https://static.usrfiles.com/ugd/e3ff21_2277fd4950cc412ebfaf247e9cbe4767.pdf
    • https://static.usrfiles.com/ugd/b85eb0_6badccb28b2c4929b970856bb7e02ece.pdf
    • https://static.usrfiles.com/ugd/2c7c49_0cacf9d69f0a4fb0a744f943b9496259.pdf
    • https://static.usrfiles.com/ugd/69695d_05d96cf7823b4af287cc8a19081db4aa.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_off0000825c.bin
091a86f350160488fb232f65d28ac4faef1b6b98663ee4624c3fa29f8a828669		 pdf-font-stream PDF embedded font (sfnt) at offset 0x825C 5488 bytes
font_01_sfnt_off000094ee.bin
e252247dbefa740bf80f1ebfe3679fdb59891cd87706b07768dbb0f25464a308		 pdf-font-stream PDF embedded font (sfnt) at offset 0x94EE 12484 bytes

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