Malicious PDF — malware analysis report

Static analysis result for SHA-256 d4e47314f32bc61a…

MALICIOUS

PDF

55.9 KB Created: 2020-08-12 03:18:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6d726743b549327fb9ea7ad32f472a7d SHA-1: 22177129a72939fbd50b0be8f93056a23dc25322 SHA-256: d4e47314f32bc61a7a76eebdda8e246e712100e1f7ec57aeee40c1038f83bf3f
120 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body text, though garbled, includes keywords like 'Ariens compact 24 manual pdf', suggesting a lure to attract users searching for specific manuals. The primary malicious URL is https://ttraff.com/pify?keyword=ariens+compact+24+manual+pdf, which is likely used for SEO-based redirection to further 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.com/pify?keyword=ariens+compact+24+manual+pdf
    • http://files.sangha-dancemovementyoga.org/uploads/1/3/1/6/131606343/xowajuzetulit.pdf
    • http://files.malcolmdeweyfineart.com/uploads/1/3/1/6/131607331/9115021.pdf
    • http://files.candleandbodyshop.com/uploads/1/3/1/4/131437873/d3566.pdf
    • http://files.militaryhistorylive.co.uk/uploads/1/3/1/4/131438639/6dfc67e9ee6c04.pdf
    • https://cdn.shopify.com/s/files/1/0435/1993/4628/files/desefawipemolij.pdf
    • https://cdn.shopify.com/s/files/1/0433/8355/4202/files/39962064493.pdf
    • https://cdn.shopify.com/s/files/1/0433/4695/2351/files/nebegilepazawogadebogujar.pdf
    • https://cdn.shopify.com/s/files/1/0432/5048/3368/files/economic_growth_david_weil.pdf
    • https://cdn.shopify.com/s/files/1/0429/5570/2425/files/bopikila.pdf
    • https://cdn.shopify.com/s/files/1/0431/2200/0029/files/tajuzojeriguvefo.pdf
    • https://cdn.shopify.com/s/files/1/0435/2986/3320/files/72449269688.pdf
    • https://cdn.shopify.com/s/files/1/0436/3180/4574/files/best_skyrim_texture_mods.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tapowizilefaj.pdf
    • https://cdn.shopify.com/s/files/1/0430/8529/9876/files/8658731206.pdf
    • https://cdn.shopify.com/s/files/1/0437/1120/1435/files/lutefuduzetesadobif.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_off000092b0.bin
a70c1450687df0e650e0f60e2dd81fe1da6237581fe340c608f107a78cdb96f9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x92B0 5508 bytes
font_01_sfnt_off0000a554.bin
04b2f97aed1e09896a8e83dc802ef6d65d9fe51ebd7e083b141eeca9eba651a5		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA554 14028 bytes

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