Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ecba4c47c829063…

MALICIOUS

PDF

42.9 KB Created: 2020-08-31 05:41:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 709d2b148025caf8ae8dd8ad3f60aaa6 SHA-1: be1a15bcb284f28e1ca4db7890fe1e24e15399f0 SHA-256: 2ecba4c47c8290636916ff6c8ab9c93a09f8a106c65798913a0797e7512cd61d
120 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded links, many of which point to Shopify domains hosting other PDF files. One specific link, however, redirects to 'ttraff.com', which is flagged as a malicious redirector. The document body text also contains keywords related to software cracks, suggesting a lure to download potentially malicious software. The primary attack vector appears to be a link farm designed to lead users to 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/wix?keyword=nti+media+maker+9+premium+crack+download
    • https://cdn.shopify.com/s/files/1/0429/2493/3287/files/dotalaxar.pdf
    • https://cdn.shopify.com/s/files/1/0433/2499/7800/files/60598025075.pdf
    • https://cdn.shopify.com/s/files/1/0429/8915/8554/files/88756173973.pdf
    • https://cdn.shopify.com/s/files/1/0435/4297/0527/files/representation_theory_of_lie_groups.pdf
    • https://cdn.shopify.com/s/files/1/0429/7120/1699/files/49048756258.pdf
    • https://static.usrfiles.com/ugd/76156b_150a0f96837b41c68045734aa098b7bc.pdf
    • https://static.usrfiles.com/ugd/b8c837_c59f01c313944bd89b6c6d5c60b9c983.pdf
    • https://static.usrfiles.com/ugd/b8c837_0afa4b2a84a64e9baa824f45f18a3dfa.pdf
    • https://cdn.shopify.com/s/files/1/0432/4163/5997/files/60680152366.pdf
    • https://cdn.shopify.com/s/files/1/0438/3028/0352/files/fonoxumufegudovo.pdf
    • https://cdn.shopify.com/s/files/1/0438/7491/0376/files/exercice_de_conjugaison_verbe_etre_et_avoir_au_present.pdf
    • https://cdn.shopify.com/s/files/1/0429/1287/4662/files/srimad_bhagavatam_sanskrit_download.pdf
    • https://cdn.shopify.com/s/files/1/0432/2285/9944/files/72983422533.pdf
    • https://cdn.shopify.com/s/files/1/0429/2562/1404/files/pikavexisasuz.pdf
    • https://cdn.shopify.com/s/files/1/0453/5641/7179/files/editable_business_card_template.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_off00006510.bin
1e1de2e1b9c36f547a39c967a978a183ede759515d3da408c778fc46c9ebe6a5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6510 5324 bytes
font_01_sfnt_off00007722.bin
16790f88a9f859bfa80ddf61fc13ff15cec60b06f2dda15dbf75a696f399d994		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7722 12132 bytes

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