Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce523cb37feac816…

MALICIOUS

PDF

40.3 KB Created: 2020-08-23 03:46:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 511ff503a5d4aae16fe9a25002be563a SHA-1: bdc07c6af92fc5576b7eaaf77f007e58479c1c26 SHA-256: ce523cb37feac816d67f084aa9b5b3fde4a6479bf70af0a0fe94eeb72c4b5b4c
120 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure at 'https://ttraff.com/pify?keyword=thanksgiving+vocabulary+worksheet+pdf'. This suggests the document is designed to trick users into visiting malicious sites under the guise of educational content. The presence of multiple shopify.com links and other obscure domains further supports the link farm heuristic. No scripts were extracted, but the PDF structure and embedded links are sufficient to infer a malicious redirection attack.

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=thanksgiving+vocabulary+worksheet+pdf
    • http://dafezuz.edenslanes.com/uploads/1/3/0/7/130738721/xogiperavor_migiropas_dijokobixes_pakoveborizixiv.pdf
    • http://files.cityreachswissvale.org/uploads/1/3/1/4/131483719/2252723.pdf
    • http://files.msimone.com/uploads/1/3/1/4/131453414/nidodi.pdf
    • https://cdn.shopify.com/s/files/1/0439/8543/6830/files/67227649561.pdf
    • https://cdn.shopify.com/s/files/1/0433/0445/2246/files/66466004431.pdf
    • https://cdn.shopify.com/s/files/1/0431/3769/5906/files/million_dreams_piano_sheet_free.pdf
    • https://cdn.shopify.com/s/files/1/0436/8351/2473/files/vastu_shastra_in_kannada.pdf
    • https://cdn.shopify.com/s/files/1/0428/7827/1651/files/bikof.pdf
    • https://cdn.shopify.com/s/files/1/0433/9502/3013/files/cambridge_fce_practice_tests.pdf
    • https://cdn.shopify.com/s/files/1/0433/0638/5573/files/puwigazinizesanetosofo.pdf
    • https://cdn.shopify.com/s/files/1/0440/7725/2760/files/inventory_aging_report_example.pdf
    • https://cdn.shopify.com/s/files/1/0433/4023/4902/files/kuxudixosekab.pdf
    • https://cdn.shopify.com/s/files/1/0435/6171/3813/files/atoms_molecules_and_moles_worksheet.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_off00005e0f.bin
1f59b510bf9607a60646bf79ac409728126088c09b48904e801e58f99952971c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E0F 5824 bytes
font_01_sfnt_off000071ed.bin
f4fe84a6afdfa889cc05724678c036255fa579486f5fda05c2a96fd59b044495		 pdf-font-stream PDF embedded font (sfnt) at offset 0x71ED 10240 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.