Malicious PDF — malware analysis report

Static analysis result for SHA-256 474e0fd688a19a9f…

MALICIOUS

PDF

43.0 KB Created: 2020-08-12 07:21:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8589807689308fa967461e1cc277d4bd SHA-1: 2db53bf09b5225bf2db380d48b8c9a3b9d722a57 SHA-256: 474e0fd688a19a9f83233372302ecef3cfe709b396168dcbd37a767d9f09b2cc
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many pointing to Shopify domains, which is indicative of a link farm or SEO poisoning tactic. One critical heuristic identified a link to a known malicious redirector at https://ttraff.com/pify?keyword=verb+1+2+3+form+list+pdf. The document body, though heavily obfuscated, contains this URL and others, suggesting the primary goal is to redirect users to malicious infrastructure. No scripts were extracted from this sample.

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=verb+1+2+3+form+list+pdf
    • http://files.lolswampfest.com/uploads/1/3/1/3/131384573/44a4b7a55d996.pdf
    • http://files.tevfikmuratyildirim.com/uploads/1/3/1/4/131406258/zalafoso-negufefowuro-lodadenovaguto-tekipan.pdf
    • http://wazepo.ccwinch.org.uk/uploads/1/3/1/4/131407995/lavididupu.pdf
    • http://foxejalug.blugoldsunday.com/uploads/1/3/1/0/131069934/nozeg-bojumup-lavepotajovera.pdf
    • https://cdn.shopify.co
    • https://cdn.shopify.com/s/files/1/0430/7301/1865/files/human_behavior_analysis.pdf
    • https://cdn.shopify.com/s/files/1/0430/8847/8365/files/bidul.pdf
    • https://cdn.shopify.com/s/files/1/0429/2778/4099/files/87346137624.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kozaw.pdf
    • https://cdn.shopify.com/s/files/1/0432/5949/4555/files/27011464904.pdf
    • https://cdn.shopify.com/s/files/1/0437/4586/9985/files/31847019527.pdf
    • https://cdn.shopify.com/s/files/1/0430/5901/9933/files/dunafotegugapatujafapulo.pdf
    • https://cdn.shopify.com/s/files/1/0436/6503/1321/files/11938381355.pdf
    • https://cdn.shopify.com/s/files/1/0432/0293/6992/files/13414279424.pdf
    • https://cdn.shopify.com/s/files/1/0431/5843/8039/files/gta_vice_city_cracked.pdf
    • https://cdn.shopify.com/s/files/1/0434/5331/7272/files/calculus_early_transcendentals_10th_edition_solution_manual.pdf
    • https://cdn.shopify.com/s/files/1/0432/5523/4710/files/nifadunebolel.pdf
    • https://cdn.shopify.com/s/files/1/0437/7785/1550/files/pokemon_emeraldegglocke_download.pdf
    • https://cdn.shopify.com/s/files/1/0437/5232/5272/files/pikosujali.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_off000062e4.bin
4d5e1c8b558df1df2049988394428535f0686e669fc1f5d039fe1a4c1a4199a5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x62E4 5428 bytes
font_01_sfnt_off00007547.bin
1a64c40d364edd00218ec60a19ba662bfef0380baad63de9c175e61cef165dbd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7547 13004 bytes

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