Malicious PDF — malware analysis report

Static analysis result for SHA-256 937914757675b125…

MALICIOUS

PDF

40.8 KB Created: 2020-08-08 02:25:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 765cd43c6fce340ed30fc15921b3da9e SHA-1: f387058790e3b1c29fb211d036224db7406c7041 SHA-256: 937914757675b125f70f344b763199aba93e5a1dbd2d468adc4804d190d872ab
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 PDF files. One critical heuristic identified a link to a known malicious redirector at 'ttraff.com'. This suggests the document is designed to lead users to malicious infrastructure, likely for further exploitation or credential harvesting. No scripts were extracted, and the document body is heavily obfuscated.

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=bsc+agriculture+colleges+in+maharashtra+pdf
    • http://files.ballouskies.com/uploads/1/3/2/7/132740502/lokuzapuze.pdf
    • http://files.elainedoesnutrition.com/uploads/1/3/1/3/131380625/foxajul_zezasagisuba_molijazesokiv.pdf
    • http://lofojuxe.thecityoflife.com/uploads/1/3/0/8/130813765/2823147.pdf
    • https://cdn.shopify.com/s/files/1/0428/5366/2876/files/arquetipos_e_inconsciente_colectivo_gratis.pdf
    • https://cdn.shopify.com/s/files/1/0431/3337/0522/files/sijikasirasono.pdf
    • https://cdn.shopify.com/s/files/1/0429/6962/8828/files/alexandra_stan_mr._saxobeat_mp3.pdf
    • https://cdn.shopify.com/s/files/1/0431/9975/8498/files/change_adjectives_into_adverbs_exercises.pdf
    • https://cdn.shopify.com/s/files/1/0431/9058/3458/files/xikigevonipazano.pdf
    • https://cdn.shopify.com/s/files/1/0439/3756/2779/files/56792616720.pdf
    • https://cdn.shopify.com/s/files/1/0428/4855/1068/files/psp_dating_sim.pdf
    • https://cdn.shopify.com/s/files/1/0428/7974/6207/files/zalutezofilakukedemik.pdf
    • https://cdn.shopify.com/s/files/1/0433/2548/9305/files/13961068213.pdf
    • https://cdn.shopify.com/s/files/1/0430/3428/0090/files/wumufavilofigijufod.pdf
    • https://cdn.shopify.com/s/files/1/0431/9654/7230/files/33649883192.pdf
    • https://cdn.shopify.com/s/files/1/0432/9144/3364/files/mapamundi_con_nombres_para_imprimir.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_off00005e2e.bin
c94476f5563178d03e66ad6ac48b97ea7f699f12a1eccced03545d2d38250f8a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E2E 5616 bytes
font_01_sfnt_off0000711f.bin
68c5f4751082cad222f3d574d6b0d918d8d3dbaf46efbfa4e90a19bcc75a78f2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x711F 10948 bytes

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