Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e8a048e433174ed…

MALICIOUS

PDF

52.2 KB Created: 2020-08-06 23:12:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b6f46c41b67298fd03d4b421e5c33b49 SHA-1: a003ea0ea2e9264301a81b3ad4342a83aa9b5a18 SHA-256: 1e8a048e433174edbb079d08ed1e341c4194d5f152f9bfcaa7e8fa69f859043f
150 Risk Score

Malware Insights

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

The PDF file contains multiple heuristics indicating malicious intent, including a critical finding of a malicious redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains the same URL. This suggests the primary purpose is to redirect users to a potentially harmful website, likely for phishing or malware delivery. The presence of numerous Shopify links, while many are benign, indicates a link farm strategy to obscure the malicious destination.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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=the+boyfriend+list+e+lockhart+pdf
    • http://files.kelownaplumbingsolutions.com/uploads/1/3/1/3/131398156/vudejinu-kedav-benosagulita.pdf
    • http://files.eddieaidoophotography.com/uploads/1/3/0/7/130739483/624796.pdf
    • http://gixobu.cliburnenergy.com/uploads/1/3/2/3/132302782/pimamotusa-tebejolesiligar.pdf
    • http://jurezife.cropmarksprinting.com/uploads/1/3/0/8/130873995/radema_fogexos.pdf
    • https://cdn.shopify.com/s/files/1/0428/7063/6710/files/tuxozigup.pdf
    • https://cdn.shopify.com/s/files/1/0431/5214/6586/files/95676126247.pdf
    • https://cdn.shopify.com/s/files/1/0432/4635/4592/files/48529912874.pdf
    • https://cdn.shopify.com/s/files/1/0434/8719/9394/files/38069623392.pdf
    • https://cdn.shopify.com/s/files/1/0431/0210/9856/files/us_cellular_insurance.pdf
    • https://cdn.shopify.com/s/files/1/0432/2571/0750/files/kevukepajufuboso.pdf
    • https://cdn.shopify.com/s/files/1/0437/0743/3125/files/92070478813.pdf
    • https://cdn.shopify.com/s/files/1/0431/5430/9284/files/hibbeler_fluid_mechanics_solution_manual.pdf
    • https://cdn.shopify.com/s/files/1/0432/6532/7262/files/9327448570.pdf
    • https://cdn.shopify.com/s/files/1/0438/4374/7990/files/fudumawowikesubafanuta.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_off00008ddc.bin
875d56fc8216f16ee6fc0be7093d8c9d1852819fd933522e8a718fd9152f35d0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8DDC 5500 bytes
font_01_sfnt_off0000a08e.bin
ef8c8e73c65bc3cb6cc8f909dd307c8fc2f61abfa52b38c22723a2a67c2656b8		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA08E 10204 bytes

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