Malicious PDF — malware analysis report

Static analysis result for SHA-256 bb1c4c6170136014…

MALICIOUS

PDF

47.6 KB Created: 2020-08-28 05:59:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5f96baa798a0bc2c143287a8106069fd SHA-1: 3e91bad3f3343f6282e2aa66626283c7adea6535 SHA-256: bb1c4c617013601460b8754fbe294e224fda238a1915f900ba9c7a2870bd2a48
120 Risk Score

Malware Insights

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

The PDF document contains a link that redirects to a malicious URL, disguised as a game download. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms this behavior. The document body contains the same URL, reinforcing the lure. The PDF_SEO_LINK_FARM heuristic indicates the document is part of a larger link farm, likely for SEO manipulation or to distribute malicious content.

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.club/pify?keyword=gta+vice+city+cheats+game+free+download+for+pc
    • http://rovujo.mysje.org/uploads/1/3/2/7/132740267/biguwokep.pdf
    • http://gegimi.fortheboysblog.com/uploads/1/3/0/8/130814328/jijilifewep.pdf
    • http://files.themagentashop.com/uploads/1/3/1/8/131871614/84d14d.pdf
    • https://cdn.shopify.com/s/files/1/0431/5473/5264/files/islamic_calendar_2020_usa.pdf
    • https://cdn.shopify.com/s/files/1/0432/6031/3768/files/64712861954.pdf
    • https://cdn.shopify.com/s/files/1/0431/3504/1693/files/warhammer_40k_ork_codex_8th_edition_vk.pdf
    • https://cdn.shopify.com/s/files/1/0441/2522/5112/files/64625845011.pdf
    • https://cdn.shopify.com/s/files/1/0438/3339/3309/files/avast_mac_os_x.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xarapidarobumebavo.pdf
    • https://cdn.shopify.com/s/files/1/0434/0845/7877/files/midudefawujafemerevov.pdf
    • https://cdn.shopify.com/s/files/1/0433/1434/8197/files/19251892845.pdf
    • https://cdn.shopify.com/s/files/1/0434/0314/9477/files/introduction_to_modern_statistical_mechanics_by_d._chandler.pdf
    • https://cdn.shopify.com/s/files/1/0429/2398/3001/files/lawesilubu.pdf
    • https://cdn.shopify.com/s/files/1/0435/4605/0714/files/using_statistical_methods_in_social_science_research.pdf
    • https://cdn.shopify.com/s/files/1/0435/7573/8527/files/44128347011.pdf
    • https://cdn.shopify.com/s/files/1/0435/9330/2178/files/91248285608.pdf
    • https://cdn.shopify.com/s/files/1/0429/1608/5923/files/85490253790.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_off00007a09.bin
a2ead7a169d3ede2a94409302aeb4dc5d6ca0ac893500262c598652244fdb2ff		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7A09 5856 bytes
font_01_sfnt_off00008df4.bin
f2ba868a90babc1d4a8a8787908c02eed2482342a75f7a7519cd490bd06daa26		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8DF4 10144 bytes

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