Malicious PDF — malware analysis report

Static analysis result for SHA-256 9c12435740590501…

MALICIOUS

PDF

60.7 KB Created: 2020-08-19 07:32:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5725d2a62ae9098c7e8cd8e75a4c3600 SHA-1: eb2d6c96eac5c6c94cb31fc2582d908dd46c4125 SHA-256: 9c1243574059050145dc715b8182aaf742c3588d20e08cb981c99faf035a26df
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=can%2527+t+feel+my+face+song+free'. This indicates an attempt to redirect the user to a malicious site. The document body, though heavily obfuscated, also contains this URL and numerous other links to Shopify-hosted PDFs, suggesting a link farm or SEO poisoning tactic. The primary intent appears to be social engineering via a deceptive link.

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=can%2527+t+feel+my+face+song+free
    • http://files.lyonstownship.org/uploads/1/3/2/6/132695445/pegiradajomoma-leganarilip-nitututosulo-kovanewav.pdf
    • https://cdn.shopify.com/s/files/1/0434/1586/3447/files/4713022644.pdf
    • https://cdn.shopify.com/s/files/1/0431/3550/0439/files/xikeligunoweluperofiv.pdf
    • https://cdn.shopify.com/s/files/1/0434/1478/2104/files/35480656281.pdf
    • https://cdn.shopify.com/s/files/1/0440/3901/2502/files/70493463976.pdf
    • https://cdn.shopify.com/s/files/1/0440/8541/1990/files/67893425535.pdf
    • https://cdn.shopify.com/s/files/1/0440/6290/0374/files/ant_colony_simulation.pdf
    • https://cdn.shopify.com/s/files/1/0433/8669/9925/files/equilid_50_mg_bula.pdf
    • https://cdn.shopify.com/s/files/1/0440/6339/1894/files/bms_season_1_episode_1.pdf
    • https://cdn.shopify.com/s/files/1/0429/7487/1711/files/latest_verizon_android_phones.pdf
    • https://cdn.shopify.com/s/files/1/0432/2571/0750/files/amines_ncert_solutions_download.pdf
    • https://cdn.shopify.com/s/files/1/0431/3432/0794/files/vapuvano.pdf
    • https://cdn.shopify.com/s/files/1/0431/5486/6333/files/zabujuxemedafexazejeju.pdf
    • https://cdn.shopify.com/s/files/1/0430/5525/1605/files/sum_columns_in_r.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_off0000a42d.bin
9781d521141e4d703f62202018c2ff521c0f8895db0c8bf282b448b08a99419a		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA42D 5240 bytes
font_01_sfnt_off0000b604.bin
de68231d42d00ceab3a2b633ffd6c29aea4357a8e9b64af4654a6d72e92a64a0		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB604 15660 bytes

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