Malicious PDF — malware analysis report

Static analysis result for SHA-256 d6deebe90409a584…

MALICIOUS

PDF

47.7 KB Created: 2020-09-14 17:18:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6f2ad5736176e620c95b434c26bdbd1f SHA-1: 632d821cd4757e1441a6afa012d30376563068ab SHA-256: d6deebe90409a5840d8f8eb64cb80bc36bb6961a203c3d932027aeb60787e6ec
120 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, ttraff.me, which is used to obscure the final destination. The document body, though heavily obfuscated, contains text related to 'Pmea district 6 schools' and the malicious URL, suggesting a lure for a phishing or scam campaign. The presence of numerous embedded links, many pointing to Shopify domains, indicates a link farm strategy to potentially improve search engine visibility or distribute malicious content.

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.me/pify?keyword=pmea+district+6+schools
    • http://files.appel-stores.shop/uploads/1/3/1/8/131872021/5200190.pdf
    • http://levuxupu.asdarchitects.com/uploads/1/3/1/8/131856166/rudepadaxubabokelepo.pdf
    • https://cdn.shopify.com/s/files/1/0428/6945/7063/files/59967021997.pdf
    • https://cdn.shopify.com/s/files/1/0437/3626/8949/files/xiwogofifexeniwopabep.pdf
    • https://cdn.shopify.com/s/files/1/0427/9622/0572/files/42316452131.pdf
    • https://cdn.shopify.com/s/files/1/0436/2466/1154/files/nojikitikem.pdf
    • https://cdn.shopify.com/s/files/1/0447/1540/9561/files/39531703689.pdf
    • https://static.usrfiles.com/ugd/2274a7_56abaf6058254cdca2dd28b0e9c97338.pdf
    • https://static.usrfiles.com/ugd/11b39a_73265b3cbe99419185a11cec7d01ee2f.pdf
    • https://cdn.shopify.com/s/files/1/0431/6810/4610/files/kewirodotutig.pdf
    • https://cdn.shopify.com/s/files/1/0432/6889/8966/files/xray_minecraft_texture_pack.pdf
    • https://cdn.shopify.com/s/files/1/0429/8774/9525/files/black_sheep_movie_in_tamilrockers.pdf
    • https://cdn.shopify.com/s/files/1/0462/6468/0605/files/mosekuxupuno.pdf
    • https://cdn.shopify.com/s/files/1/0435/3048/5915/files/suit_jacket_size_guide_uk.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_off00007ac1.bin
6cc074558a4c248bf0f114ee9746c72e46d0458d7fef6c0eea2ab8231a3dbbe7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7AC1 5332 bytes
font_01_sfnt_off00008caf.bin
79c763a8abe486e5f159365fa9e41af8dbb9869bee0d83e6cf88b903a79f299b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8CAF 10928 bytes

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