Malicious PDF — malware analysis report

Static analysis result for SHA-256 eeda56c3d64629f0…

MALICIOUS

PDF

38.9 KB Created: 2020-08-28 07:04:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5eddaf52517b96c523ad6463423971c9 SHA-1: a09dd1b8395138bc781a628d9f896d9820afb1de SHA-256: eeda56c3d64629f07095372a40e18b0cdf76284ee45d32fe26840e0b84adccea
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to Shopify domains hosting other PDFs, suggesting a link farm for SEO manipulation or traffic redirection. One critical heuristic identified a link to a known malicious redirector, ttraff.com, which is likely the primary malicious payload delivery mechanism. The document body contains garbled text but includes the target URL, reinforcing the malicious intent.

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=desarrolla+una+mente+prodigiosa
    • http://files.launcestonmountainbikeclub.com/uploads/1/3/1/0/131070317/donek_womiduvu.pdf
    • http://fuzafi.birchbots.com/uploads/1/3/1/1/131164127/5348920.pdf
    • https://cdn.shopify.com/s/files/1/0437/5887/8872/files/65129558019.pdf
    • https://cdn.shopify.com/s/files/1/0441/1876/9816/files/74183331318.pdf
    • https://cdn.shopify.com/s/files/1/0433/9177/8965/files/lufafulafonelufo.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/resozelofik.pdf
    • https://cdn.shopify.com/s/files/1/0436/3105/0905/files/instaliker_for_instagram_ipa.pdf
    • https://cdn.shopify.com/s/files/1/0433/3905/5253/files/37826422894.pdf
    • https://cdn.shopify.com/s/files/1/0437/8741/9805/files/magnus_chase_the_sword_of_summer_quotes.pdf
    • https://cdn.shopify.com/s/files/1/0431/6463/1195/files/68341947464.pdf
    • https://cdn.shopify.com/s/files/1/0433/1637/9816/files/jemomasebukokomujorot.pdf
    • https://cdn.shopify.com/s/files/1/0429/1287/4662/files/list_of_important_international_days.pdf
    • https://cdn.shopify.com/s/files/1/0434/5528/3350/files/xurenefusunefazonigeset.pdf
    • https://cdn.shopify.com/s/files/1/0427/7141/5196/files/nazetudokirokiximepip.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_off00004e0f.bin
f0a1f70ea5691e257800f979c6fbbb4f243a7887428dc2132bf34995bfa492ee		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4E0F 5280 bytes
font_01_sfnt_off00005fe8.bin
c8a8e9735ae8c1b48bb1125de8634bfdd6913a23856fc02c0ffc93254fc70819		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5FE8 15328 bytes

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