Malicious PDF — malware analysis report

Static analysis result for SHA-256 9f288e0b417a91c0…

MALICIOUS

PDF

39.3 KB Created: 2020-08-25 18:32:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 52446eddf06b6a1b55d8fa5d7293a44d SHA-1: e50a636674ddb3629d218066a73edc29680b2afc SHA-256: 9f288e0b417a91c0febbe67b546767cf0dad327c32479e5e0f2fcae3976584e9
120 Risk Score

Malware Insights

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

The PDF contains a significant number of embedded links, with one heuristic specifically identifying a malicious redirector. The document body, though heavily obfuscated, contains a reference to the malicious URL 'https://ttraff.cc/pify?keyword=madagascar+1+izle'. The presence of numerous external links, many pointing to Shopify domains, suggests a link farm or redirection strategy to obscure the ultimate destination. No scripts were extracted, limiting the analysis of direct payload execution.

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/pify?keyword=madagascar+1+izle
    • http://files.leeoptical-malden.net/uploads/1/3/0/8/130814492/duwix.pdf
    • http://files.czech-club.co.uk/uploads/1/3/0/8/130873732/guvanogit.pdf
    • http://files.phenomenalevidence.org/uploads/1/3/1/3/131378950/wudasisovutimasobo.pdf
    • http://gusuli.katherineorchard.com/uploads/1/3/1/3/131383483/9c276d599602.pdf
    • http://gekegu.moreventfloral.com/uploads/1/3/0/7/130776228/viberul.pdf
    • https://cdn.shopify.com/s/files/1/0463/2218/8450/files/calcutta_university_migration_form_2017.pdf
    • https://cdn.shopify.com/s/files/1/0450/3640/4900/files/15486072793.pdf
    • https://cdn.shopify.com/s/files/1/0463/4705/9361/files/goludezogivakewofinemuxug.pdf
    • https://cdn.shopify.com/s/files/1/0440/1584/5541/files/tupixivijemarubumif.pdf
    • https://cdn.shopify.com/s/files/1/0434/5239/9777/files/vudegodumokolebuteb.pdf
    • https://cdn.shopify.com/s/files/1/0430/5040/1943/files/55600027248.pdf
    • https://cdn.shopify.com/s/files/1/0429/4973/8650/files/pafolitazilemeje.pdf
    • https://cdn.shopify.com/s/files/1/0439/1760/7067/files/sidubaj.pdf
    • https://cdn.shopify.com/s/files/1/0434/3758/8646/files/22482541134.pdf
    • https://cdn.shopify.com/s/files/1/0431/2642/3708/files/caudiciform_and_pachycaul_succulents.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_off0000564e.bin
8fe9fa8d073a5ba1bfd66ab6dd630ccc65e1f5b7594c1ef2286f32febf0b80b3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x564E 5212 bytes
font_01_sfnt_off00006827.bin
b7983d20fed21b4213d79c74c410a5a9dc6a8942c38c82aca256bd12493328a6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6827 12348 bytes

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