Malicious PDF — malware analysis report

Static analysis result for SHA-256 ed1606d0ec558d3a…

MALICIOUS

PDF

41.4 KB Created: 2020-08-08 09:29:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 96a297830ae0ba87590bc2530f5c9673 SHA-1: 3bba95e24b65fd484a47ee8521a3fff6e6ae71e9 SHA-256: ed1606d0ec558d3a9139918520278397bb512a6ce0bd27faa69b7618c114ca83
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, identified as a PDF SEO link farm, with one prominent link pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=wright+mills+sociological+imagination+pdf', which is also flagged as a malicious redirector. This suggests the document is designed to lead users to malicious websites under the guise of providing academic resources.

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.ru/pify?keyword=wright+mills+sociological+imagination+pdf
    • http://files.lighthousechurchandchapel.com/uploads/1/3/0/8/130813400/6843427.pdf
    • http://files.keithcochrane.com/uploads/1/3/1/3/131379014/ea166487c2.pdf
    • http://files.sitesbydane.com/uploads/1/3/1/3/131380128/13393.pdf
    • https://cdn.shopify.com/s/files/1/0433/0009/4112/files/borg_scale_6_20.pdf
    • https://cdn.shopify.com/s/files/1/0434/4525/6352/files/bank_exam_preparation_books_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0431/4087/4408/files/78586034892.pdf
    • https://cdn.shopify.com/s/files/1/0429/2512/9891/files/79513127371.pdf
    • https://cdn.shopify.com/s/files/1/0432/7338/8190/files/rajanugaziveniko.pdf
    • https://cdn.shopify.com/s/files/1/0438/2598/7734/files/target_return_without_receipt.pdf
    • https://cdn.shopify.com/s/files/1/0439/1564/1000/files/nafodafaxufaguwazaxasewok.pdf
    • https://cdn.shopify.com/s/files/1/0432/9986/4734/files/dofuwubuwujototivuxibutol.pdf
    • https://cdn.shopify.com/s/files/1/0433/0536/9768/files/wuxurisidojo.pdf
    • https://cdn.shopify.com/s/files/1/0433/5442/3464/files/2636622978.pdf
    • https://cdn.shopify.com/s/files/1/0450/4682/5110/files/convertir_a_word_editable_ocr_gratis.pdf
    • https://cdn.shopify.com/s/files/1/0440/0028/0726/files/maladies_de_l_appareil_urinaire.pdf
    • https://cdn.shopify.com/s/files/1/0440/9013/0584/files/familismo_amorale_banfield.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_off00006387.bin
d16698feaa3c56d2d2131408419930e55fffb736e8296c22bf2604ed11442247		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6387 5580 bytes
font_01_sfnt_off0000766e.bin
308ef9827617749f17ce19a18f5cfea30fbf8f6293527f02438829997ee7a9f6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x766E 10040 bytes

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