Malicious PDF — malware analysis report

Static analysis result for SHA-256 446a80fc369aa846…

MALICIOUS

PDF

51.4 KB Created: 2020-08-09 05:15:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6561a6837f349e4ccc37c102c91be219 SHA-1: 77b711f617a86f61904fad298dfdf4ff323380d1 SHA-256: 446a80fc369aa8462e7ebc2fd1703ae65c208fe26c3212964f24d7cc3bf17dd2
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 'ttraff.com'. The document body, though heavily obfuscated, contains the same URL, suggesting it's the primary lure. The file also exhibits characteristics of a link farm, embedding numerous external links, many of which point to Shopify domains. The primary malicious URL is likely used to redirect users to a phishing or malware distribution site.

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=facebook+ads+tutorial+pdf+2020
    • http://files.raewynwallacetherapies.com/uploads/1/3/0/7/130775607/loxikitanek.pdf
    • http://pogiwin.worldclasstitle.net/uploads/1/3/1/3/131383483/0c8594b.pdf
    • http://xefulugog.emilyjaneart.co.uk/uploads/1/3/0/8/130814328/4524714.pdf
    • http://dututu.canera.org/uploads/1/3/0/8/130874422/9082763.pdf
    • http://pogiwin.worldclasstit
    • https://cdn.shopify.com/s/files/1/0438/5089/1424/files/encyclopedia_brown_series.pdf
    • https://cdn.shopify.com/s/files/1/0431/8828/9694/files/18932529294.pdf
    • https://cdn.shopify.com/s/files/1/0432/7853/2758/files/bangsamoro_basic_law_summary.pdf
    • https://cdn.shopify.com/s/files/1/0433/5281/7832/files/sibosivobegefenutavuvumuw.pdf
    • https://cdn.shopify.com/s/files/1/0436/4002/9344/files/rusoxos.pdf
    • https://cdn.shopify.com/s/files/1/0432/7368/3112/files/rafagagupo.pdf
    • https://cdn.shopify.com/s/files/1/0432/7741/8656/files/wopixirudazolux.pdf
    • https://cdn.shopify.com/s/files/1/0440/9737/2312/files/nizafa.pdf
    • https://cdn.shopify.com/s/files/1/0434/7143/7984/files/99240367705.pdf
    • https://cdn.shopify.com/s/files/1/0433/9492/4700/files/2760218701.pdf
    • https://cdn.shopify.com/s/files/1/0428/3927/7734/files/82996649264.pdf
    • https://cdn.shopify.com/s/files/1/0447/6082/6007/files/sedimentary_basins_and_petroleum_geology_of_the_middle_east.pdf
    • https://cdn.shopify.com/s/files/1/0431/5440/7578/files/madofe.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_off000089a4.bin
ad6ff694bd3b170db90749033e3141c7d8788969e59994ab1a62f38bc1334df7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x89A4 5584 bytes
font_01_sfnt_off00009cae.bin
6b7f517cbbcb9d913f9022decf618de6438358945fd46042850925db6f666dc6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9CAE 10424 bytes

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