Malicious PDF — malware analysis report

Static analysis result for SHA-256 bdad77656a64f15b…

MALICIOUS

PDF

44.0 KB Created: 2020-08-14 15:24:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 54129e7181593086775f9cce026c27c6 SHA-1: fc5af6e149b5c55079ce8b0d8cfceba0eeca920f SHA-256: bdad77656a64f15b12bdd76634e2c47bb0d7e69ef1c0dfc6d17ccdc9b5afc261
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a lure related to 'Ssc gd answer key sarkari result 2018' and embeds a link that redirects to malicious infrastructure. The PDF_MALICIOUS_REDIRECTOR_LINK heuristic confirms this, and the PDF_SEO_LINK_FARM heuristic indicates a large number of external links, likely for SEO manipulation or to obscure the malicious destination. The embedded link points to `https://ttraff.com/pify?keyword=ssc+gd+answer+key+sarkari+result+2018`, which is identified as a malicious redirector.

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=ssc+gd+answer+key+sarkari+result+2018
    • http://files.mitchellhabitat.org/uploads/1/3/1/3/131384359/gifas.pdf
    • http://mavedolaw.hamiltonundergroundpress.com/uploads/1/3/0/8/130874330/6e3f89f.pdf
    • http://mewikol.advancingstem.com/uploads/1/3/1/4/131407226/saxalamakurefa.pdf
    • http://tujazapu.aahardware2165.com.au/uploads/1/3/2/6/132695569/mujazebaxupigepenas.pdf
    • http://files.newnurse-academy.com/uploads/1/3/0/7/130776790/vuwanakege.pdf
    • https://cdn.shopify.com/s/files/1/0436/4995/8046/files/topino.pdf
    • https://cdn.shopify.com/s/files/1/0430/8572/5857/files/craigslist_org_el_paso.pdf
    • https://cdn.shopify.com/s/files/1/0434/1350/4156/files/zapovulipiwofomurojisumup.pdf
    • https://cdn.shopify.com/s/files/1/0428/2118/9788/files/62817446522.pdf
    • https://cdn.shopify.com/s/files/1/0429/9299/2410/files/nibadujapisiloz.pdf
    • https://cdn.shopify.com/s/files/1/0438/9086/8379/files/74584645400.pdf
    • https://cdn.shopify.com/s/files/1/0430/4686/3005/files/effects_of_air_pollution_on_human_health.pdf
    • https://cdn.shopify.com/s/files/1/0436/5733/0853/files/skyrim_se_crash_fix.pdf
    • https://cdn.shopify.com/s/files/1/0431/5670/1348/files/fugipewefavetigetir.pdf
    • https://cdn.shopify.com/s/files/1/0433/5963/3559/files/livro_areopagitica.pdf
    • https://cdn.shopify.com/s/files/1/0432/5326/8642/files/kefoxirujizobezewuk.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_off00006073.bin
33f994796ec89f53b7ba3f41043e73512d067cac4b36f07af2062472801426a6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6073 5988 bytes
font_01_sfnt_off000074ec.bin
556a3773af53fc4a54c1adfcf463bd05778de2a4fe8d318b2aae62d95e01dc58		 pdf-font-stream PDF embedded font (sfnt) at offset 0x74EC 14856 bytes

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