Malicious PDF — malware analysis report

Static analysis result for SHA-256 2cc34fa6da7e9d08…

MALICIOUS

PDF

44.6 KB Created: 2020-08-10 08:43:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4413b07409b13b68b1a78aa5f2014856 SHA-1: 5c00184965d91f1f69ab71027c095aa280b7c10a SHA-256: 2cc34fa6da7e9d0833e3e511a458eab951319ea4a90b7410017e2e30671db2c9
120 Risk Score

Malware Insights

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

The PDF file exhibits characteristics of a link farm, with numerous embedded URLs. One critical heuristic identified a link to a known malicious redirector, 'https://ttraff.cc/pify?keyword=bergson+elan+vital+pdf', suggesting a potential phishing or malware distribution attempt. The presence of many external PDF links, including those hosted on Shopify, indicates a possible SEO manipulation tactic or a method to obscure the true malicious destination. 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.cc/pify?keyword=bergson+elan+vital+pdf
    • http://kotirudid.catherinegtripp.com/uploads/1/3/0/7/130740596/pekijizutiwatedomil.pdf
    • http://files.montananazarene.org/uploads/1/3/1/4/131406592/dufurivize-xezebukep-winetotupawazew-bonuxajevobibax.pdf
    • http://files.blackwoodsounddesign.com/uploads/1/3/1/4/131407823/4025363.pdf
    • http://files.mylarkapparel.com/uploads/1/3/2/3/132303238/nadavadile.pdf
    • https://cdn.shopify.com/s/files/1/0438/4794/2304/files/smiley_face_stickers.pdf
    • https://cdn.shopify.com/s/files/1/0436/1024/3229/files/guxududevog.pdf
    • https://cdn.shopify.com/s/files/1/0430/9241/0525/files/best_markup_ipad_pro.pdf
    • https://cdn.shopify.com/s/files/1/0438/1881/1552/files/pudotixinodomiwa.pdf
    • https://cdn.shopify.com/s/files/1/0431/2881/5783/files/15283735379.pdf
    • https://cdn.shopify.com/s/files/1/0440/8039/8486/files/potojip.pdf
    • https://cdn.shopify.com/s/files/1/0448/4556/4065/files/12_week_boxing_training_program.pdf
    • https://cdn.shopify.com/s/files/1/0433/4354/4488/files/allelic_and_non_allelic_interaction.pdf
    • https://cdn.shopify.com/s/files/1/0436/2023/7475/files/81045612093.pdf
    • https://cdn.shopify.com/s/files/1/0435/1488/8360/files/canal_boat_magazine.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_off00006fa4.bin
a348f06a814b4c389da5e93e1f69952030170dbe80622ef0d68b3c5facacd7a5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6FA4 5316 bytes
font_01_sfnt_off000081d7.bin
2270caa098adc300a4c4853e87ec0e828da1d81558b5bd34b7801d8cf3552ad3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x81D7 10500 bytes

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