Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ae30c5e579f2552…

MALICIOUS

PDF

42.2 KB Created: 2020-08-13 23:40:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5623b69a6d9ca8167d8548f393b87145 SHA-1: e1b6f509045c96e082620644596f6ad940288bda SHA-256: 2ae30c5e579f2552f6808a88f64a889068a78fb0dd10b4292973792299b5c1cb
120 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=hitchhiker%2527+s+guide+poster'. This URL is likely used to redirect the user to a malicious site. The document body, though heavily obfuscated, contains text that suggests a lure related to a 'Hitchhiker's guide poster'. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm strategy, likely to improve SEO for malicious content or to obscure the ultimate destination.

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/pify?keyword=hitchhiker%2527+s+guide+poster
    • http://files.southernaznorml.org/uploads/1/3/0/7/130775859/6256547.pdf
    • http://files.meggiesdistillery.com/uploads/1/3/1/8/131871633/1d9dc8f64c.pdf
    • http://bonowel.ps65.org/uploads/1/3/2/6/132681670/zufugewixetodogulu.pdf
    • http://files.pigmentsauvage.com/uploads/1/3/1/3/131381722/9613097.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/98223768302.pdf
    • https://cdn.shopify.com/s/files/1/0437/7182/2229/files/mapiroza.pdf
    • https://cdn.shopify.com/s/files/1/0430/4555/2290/files/wagifaxoxabitisisowatun.pdf
    • https://cdn.shopify.com/s/files/1/0433/1234/9334/files/40217660486.pdf
    • https://cdn.shopify.com/s/files/1/0427/4293/9814/files/fakikogewu.pdf
    • https://cdn.shopify.com/s/files/1/0440/7577/8198/files/peanuts_theme_song_piano_sheet_music.pdf
    • https://cdn.shopify.com/s/files/1/0438/3545/7696/files/words_that_rhyme_with_change.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/buxidumex.pdf
    • https://cdn.shopify.com/s/files/1/0434/3631/0678/files/vuzipurun.pdf
    • https://cdn.shopify.com/s/files/1/0428/8118/8003/files/5956096058.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_off000065b0.bin
8de19291adf738e1754e3c852cdda0c7ba15e3acfb9932ffe00a5fe2c87f835a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x65B0 5152 bytes
font_01_sfnt_off0000772e.bin
5a2596d1447ec60fc5c878844f1f470ae84012fcb16738cd8ae66199e19d6011		 pdf-font-stream PDF embedded font (sfnt) at offset 0x772E 10984 bytes

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