Malicious PDF — malware analysis report

Static analysis result for SHA-256 c7cecdeb79795279…

MALICIOUS

PDF

50.0 KB Created: 2020-09-17 11:01:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: df89da539fda4983de99a0b54fbb82a1 SHA-1: fb150198de780733f950400be81751830f36ea5e SHA-256: c7cecdeb7979527947dbad8c66c6ac8431d5b52e5f3e192b4e35acba23e798da
162 Risk Score

Malware Insights

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

The PDF file contains a heuristic indicating it's a malicious redirector link, specifically pointing to a URL associated with an 'ift 2020 awards' keyword. The document body, though heavily obfuscated, also contains this URL and numerous other PDF links, suggesting a link farm or redirection strategy. The 'SE_ADVANCE_FEE_SCAM_LURE' heuristic further supports that the content is designed to trick users with promises of prizes or funds, aligning with an advance-fee fraud scheme. The primary malicious IOC is the redirector URL.

Heuristics 4

  • 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.
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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.club/wix?keyword=ift+2020+awards
    • https://573ec206-dec0-40a4-8cb9-c938c59f4096.filesusr.com/ugd/accd1f_5136b0bacddd4abcb2d5ee580bf7c734.pdf?index=true
    • https://0264477b-ea78-43d1-8af5-91b6fe20bba8.filesusr.com/ugd/217b8a_6834d5af473247fb9a25510c39095285.pdf?index=true
    • https://01383830-b550-48ef-9ffe-a73e547ca42b.filesusr.com/ugd/9e41f0_17960ef8ae31427b83609c159beabca2.pdf?index=true
    • https://cdn.shopify.com/s/files/1/0462/1667/5482/files/gitonojoxuruxabowir.pdf
    • https://cdn.shopify.com/s/files/1/0431/6423/7992/files/final_fantasy_7_rom.pdf
    • https://cdn.shopify.com/s/files/1/0454/3532/2526/files/analytical_balance_me204.pdf
    • https://cdn.shopify.com/s/files/1/0435/7832/7203/files/cars_bessie_soundtrack.pdf
    • https://cdn.shopify.com/s/files/1/0429/9207/4905/files/49715287856.pdf
    • https://744f66f6-f2ff-4a8d-8b78-58bc847f8fc3.filesusr.com/ugd/0b1cf2_b7b515cbd2c5468f96ccd6d0fac5d047.pdf?index=true
    • https://a425a822-6d13-48a9-bf47-d96c06c876f7.filesusr.com/ugd/ca847e_117a869eb242482da9166d8dc5d5dd58.pdf?index=true
    • https://76240503-bba4-4b53-81c0-e198561a6b5f.filesusr.com/ugd/70e5f7_ef14b8361ff94421aa07db5070ef47ae.pdf?index=true
    • https://b4808514-6dd3-41cd-a125-039f28d0f7da.filesusr.com/ugd/685707_e29c7a016eb44fcbbdfa8d0e75042cbc.pdf?index=true
    • https://2b312a09-a4bd-4db5-b82f-9a6b12b3609c.filesusr.com/ugd/1a89c8_7a3c717a0dfc4f1dae0aab359aee3a54.pdf?index=true
    • https://cdn.shopify.com/s/files/1/0438/2484/0861/files/adventist_gospel_songs.pdf
    • https://cdn.shopify.com/s/files/1/0430/1606/1091/files/fedebotuwosivo.pdf
    • https://cdn.shopify.com/s/files/1/0432/1270/1854/files/90330712395.pdf
    • https://cdn.shopify.com/s/files/1/0431/5679/9648/files/about_me_questions.pdf
    • https://cdn.shopify.com/s/files/1/0432/4553/5400/files/magnetic_effect_of_electric_current_class_10.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_off00008525.bin
e2d9ecf2ae96eabd958f42dbf829620acca547fc1c8df834696f676bc4337e4c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8525 5172 bytes
font_01_sfnt_off000096de.bin
cb384437cee98455b084be9ff31cc527b49e2b5898df3fcc66c71d3dba166e92		 pdf-font-stream PDF embedded font (sfnt) at offset 0x96DE 10580 bytes

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