Malicious PDF — malware analysis report

Static analysis result for SHA-256 2405b4c9d069444b…

MALICIOUS

PDF

41.2 KB Created: 2020-08-19 09:07:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3ed7df684aeca8082639680e4592e674 SHA-1: 7298ae0d9a088363fa6bcf0b2ed7329ed3956ce4 SHA-256: 2405b4c9d069444bf0d80a11d5253c0d4e85fcda1d07bb34462fcf1d174cfa30
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 pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'jewelry design templates' and the malicious URL, suggesting a lure to a phishing or malware distribution site. The presence of a malicious redirector link indicates an attempt to lead the user to a harmful destination.

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.cc/pify?keyword=jewelry+design+templates
    • http://files.lemonsipper.com/uploads/1/3/1/4/131407057/3385769.pdf
    • http://files.dispatchesfromindia.com/uploads/1/3/0/8/130874554/xusidapupef.pdf
    • http://files.joyfuljourneystravel.com/uploads/1/3/1/8/131856919/ximokideme-muferika.pdf
    • https://cdn.shopify.com/s/files/1/0429/6438/5951/files/3566206427.pdf
    • https://cdn.shopify.com/s/files/1/0427/7446/2631/files/vegesolek.pdf
    • https://cdn.shopify.com/s/files/1/0431/3382/9277/files/guxabuduzaz.pdf
    • https://cdn.shopify.com/s/files/1/0434/8359/4917/files/45107527940.pdf
    • https://cdn.shopify.com/s/files/1/0431/9415/5169/files/cvc_words_for_kindergarten.pdf
    • https://cdn.shopify.com/s/files/1/0427/9474/6023/files/zexoxatupomun.pdf
    • https://cdn.shopify.com/s/files/1/0436/2466/1154/files/game_catalogue_august_2020.pdf
    • https://cdn.shopify.com/s/files/1/0430/8657/7818/files/mitosis_and_meiosis_quiz.pdf
    • https://cdn.shopify.com/s/files/1/0430/7222/5442/files/kedinorida.pdf
    • https://cdn.shopify.com/s/files/1/0438/0921/0529/files/livaxalitetevuk.pdf
    • https://cdn.shopify.com/s/files/1/0447/8684/3799/files/buffalo_wild_wings_menu_calories.pdf
    • https://cdn.shopify.com/s/files/1/0429/3397/7255/files/temapif.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_off00006286.bin
3e92b844a08e04ee9133bb16e7a13537a64c9a95a5ccd0edf433effb0bcd460f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6286 5464 bytes
font_01_sfnt_off0000750e.bin
ed582aefa351018e9c8a4cd859ff0d86e0a3b2e9a1434e036433b4389120deb1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x750E 10272 bytes

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