Malicious PDF — malware analysis report

Static analysis result for SHA-256 ba037b5b1af79e6d…

MALICIOUS

PDF

40.8 KB Created: 2020-08-24 17:47:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8fae94e92c7118bd33bc599754a416c5 SHA-1: e3588624f35651d82248190418597a6552b0805e SHA-256: ba037b5b1af79e6d71ef775c40523b1c0aaaba8f4d7a70360f58e932b1531b1b
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=ghana+action+movies+2019'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external links, many of which are hosted on cdn.shopify.com. The document body, though heavily corrupted, contains the same malicious URL and a reference to 'Ghana action movies 2019', suggesting a lure to entice clicks. 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=ghana+action+movies+2019
    • http://files.empoweringradiance.com/uploads/1/3/1/4/131454549/sedovuwimafipiluk.pdf
    • https://cdn.shopify.com/s/files/1/0432/7420/7387/files/can_you_keep_a_secret_livro.pdf
    • https://cdn.shopify.com/s/files/1/0432/8423/4396/files/59382777608.pdf
    • https://cdn.shopify.com/s/files/1/0436/6663/6953/files/53183771198.pdf
    • https://cdn.shopify.com/s/files/1/0427/8163/8812/files/nys_dmv_permit_test_study_guide.pdf
    • https://cdn.shopify.com/s/files/1/0434/6858/7174/files/dadofifuveminik.pdf
    • https://cdn.shopify.com/s/files/1/0452/0011/3813/files/privileged_and_confidential_letter_template.pdf
    • https://cdn.shopify.com/s/files/1/0434/9162/3074/files/cardiopathie_cyanogne.pdf
    • https://cdn.shopify.com/s/files/1/0428/9232/9116/files/99262471190.pdf
    • https://cdn.shopify.com/s/files/1/0449/8967/7736/files/tremble_guitar_chords.pdf
    • https://cdn.shopify.com/s/files/1/0435/1292/2264/files/1963025868.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005437.bin
ba91c287ea5819ac6cbff07231010f3a3ce31ebec53b2dfb96e7e9865ea920b8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5437 5272 bytes
font_01_sfnt_off000065fd.bin
fc25f4852f6e00f6ce6ae03cf86017898a54748299475481a9b3fdeb92a28222		 pdf-font-stream PDF embedded font (sfnt) at offset 0x65FD 10120 bytes
font_02_sfnt_off0000889f.bin
b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x889F 4324 bytes

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