Malicious PDF — malware analysis report

Static analysis result for SHA-256 f55e6c98ce97f8d2…

MALICIOUS

PDF

52.4 KB Created: 2020-08-24 01:33:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3e478dc3d769c8896f53d725dbb2b2dc SHA-1: 0d1647d36ab81979099db500a37b6e91ee2fe796 SHA-256: f55e6c98ce97f8d229222c9bda570a53324ab5dce37c64b7488831ba790ea509
120 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link pointing to 'https://ttraff.cc/pify?keyword=report+on+manufactures+1791+definition'. Additionally, it exhibits characteristics of a PDF link farm, with numerous links to external PDFs, including one hosted on Shopify. The document body, though heavily obfuscated, contains the same malicious URL and a reference to a Shopify PDF, suggesting a coordinated effort to direct users to potentially harmful content. 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=report+on+manufactures+1791+definition
    • http://files.mhecblacon.com/uploads/1/3/1/4/131437351/vasak.pdf
    • http://files.carsontidwell.com/uploads/1/3/1/4/131438249/mumiv.pdf
    • http://mibetudob.hempnu.com/uploads/1/3/0/8/130813330/jodotot_bukedovukulu_xedoxege.pdf
    • http://files.rivervalleyclinicpc.com/uploads/1/3/0/7/130775245/6415741.pdf
    • http://depis.cedgephotography.com/uploads/1/3/1/3/131398140/nofofevudox.pdf
    • https://cdn.shopify.com/s/files/1/0434/3683/4968/files/72786691917.pdf
    • https://cdn.shopify.com/s/files/1/0431/3179/7668/files/bevuwulafexabewapokot.pdf
    • https://cdn.shopify.com/s/files/1/0437/2873/2314/files/xoximurekakoxivekezul.pdf
    • https://cdn.shopify.com/s/files/1/0439/0964/4456/files/manuale_dolce_gusto_piccolo_de_longhi.pdf
    • https://cdn.shopify.com/s/files/1/0431/8514/3965/files/82135386280.pdf
    • https://cdn.shopify.com/s/files/1/0430/6511/4775/files/wejosazevojowifudizevim.pdf
    • https://cdn.shopify.com/s/files/1/0429/7264/3491/files/6247188759.pdf
    • https://cdn.shopify.com/s/files/1/0430/0609/9605/files/play_free_online_casino_games_without_ing.pdf
    • https://cdn.shopify.com/s/files/1/0447/9310/2493/files/pmay_application_form_2020.pdf
    • https://cdn.shopify.com/s/files/1/0428/5222/1091/files/16087201553.pdf
    • https://cdn.shopify.com/s/files/1/0431/6200/9755/files/vertical_farming_systems.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_off00008fe5.bin
abc8bf5d9f6b2e75a65d5a4a0ca089544e0bc7e27496bccdfe7bef6d7958dffb
pdf-font-stream PDF embedded font (sfnt) at offset 0x8FE5 5564 bytes
font_01_sfnt_off0000a2c2.bin
5e4c9f6b9117eb09f8f1c07e0d635653bc7bdeab050c42b7fc2be83b3bf47e3d
pdf-font-stream PDF embedded font (sfnt) at offset 0xA2C2 9856 bytes