Malicious PDF — malware analysis report

Static analysis result for SHA-256 3c8983489706c0df…

MALICIOUS

PDF

41.4 KB Created: 2020-08-21 11:58:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 56a69e0fb976720cbfa2f97dee6353f8 SHA-1: ce3a454ec5f4fd52ac68fabbc80872294db18dc3 SHA-256: 3c8983489706c0dfea5ad17d5070fce66341d4557fd83136b63664d93c130d73
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, identified as a link farm. One of these links, 'https://ttraff.cc/pify?keyword=how+to+get+astral+form+druid', is flagged as a malicious redirector. The document body, though heavily obfuscated, also contains this URL, suggesting it is the primary lure. The presence of numerous links to external resources, many hosted on Shopify, indicates an attempt to obscure the malicious destination and potentially leverage benign-looking domains for distribution.

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=how+to+get+astral+form+druid
    • http://teromib.yschemenauer.com/uploads/1/3/2/6/132682076/sirav_damefogatiw_bufutegatik_ximijebedibino.pdf
    • https://cdn.shopify.com/s/files/1/0438/5207/1074/files/tasov.pdf
    • https://cdn.shopify.com/s/files/1/0428/5625/1555/files/71820497062.pdf
    • https://cdn.shopify.com/s/files/1/0437/6382/6840/files/additional_directorate_general_of_public_information.pdf
    • https://cdn.shopify.com/s/files/1/0439/4539/4331/files/guwinomutinodoloduradez.pdf
    • https://cdn.shopify.com/s/files/1/0434/6806/2872/files/makalah_peradaban_islam_pada_masa_dinasti_abbasiyah.pdf
    • https://cdn.shopify.com/s/files/1/0434/6678/4934/files/wisel.pdf
    • https://cdn.shopify.com/s/files/1/0437/0454/9544/files/car_mileage_allowance_claim_form.pdf
    • https://cdn.shopify.com/s/files/1/0438/5875/5749/files/popev.pdf
    • https://cdn.shopify.com/s/files/1/0434/4581/3413/files/adviser_asset_platform_ratings.pdf
    • https://cdn.shopify.com/s/files/1/0430/6527/8625/files/juvolinosikimig.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/
    • https://cdn.shopify.com/s/files/1/0

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006385.bin
5a9e7afe50d46637539e30ef339a67114fe9942378e98ee645a47175e2bcb229		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6385 5280 bytes
font_01_sfnt_off0000756f.bin
3e624f7252622e963fdef336ca210ae908b6e83ad5817f9436e2fc0c68ac4848		 pdf-font-stream PDF embedded font (sfnt) at offset 0x756F 10340 bytes

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