Malicious PDF — malware analysis report

Static analysis result for SHA-256 d8896f0cf41bf4d7…

MALICIOUS

PDF

40.3 KB Created: 2020-08-07 15:04:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b5a9ac11ec80d7a1aa977596c220ec80 SHA-1: 01883f5a8f35717405e717f1de47af9a0bee119e SHA-256: d8896f0cf41bf4d7a3216a4e9ee45b95fe4cd287e0d2666ee77f8ce91c6b7409
150 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.cc/pify?keyword=convert+jpg+to+pdf+small+file'. This URL is likely part of a phishing or scam campaign designed to trick users into clicking through. The document body, though heavily obfuscated, also contains this URL, reinforcing the lure. The presence of numerous other links, many pointing to benign Shopify URLs, suggests a link farm or SEO manipulation tactic to increase visibility.

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.cc/pify?keyword=convert+jpg+to+pdf+small+file
    • http://zipape.pathfinderspirit.net/uploads/1/3/1/3/131378780/vudaxejerosevasudo.pdf
    • http://files.rollsroyceweddingcarsuk.com/uploads/1/3/2/6/132681586/selopegazituw.pdf
    • http://sejekoxe.ecoustic.dk/uploads/1/3/2/6/132681504/vawelabige_kuxazek_zebotomuvixu.pdf
    • https://cdn.shopify.com/s/files/1/0435/9208/9759/files/rufofabimobuwepakuzutasal.pdf
    • https://cdn.shopify.com/s/files/1/0434/8936/2082/files/cesare_pavese_cuentos.pdf
    • https://cdn.shopify.com/s/files/1/0436/4032/4256/files/xuzulexowi.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mikawewetekiwu.pdf
    • https://cdn.shopify.com/s/files/1/0435/8415/9903/files/rofuv.pdf
    • https://cdn.shopify.com/s/files/1/0437/8198/0321/files/fajuxorubatederivata.pdf
    • https://cdn.shopify.com/s/files/1/0431/4326/6458/files/widegiragotuguzuwimi.pdf
    • https://cdn.shopify.com/s/files/1/0429/0658/3203/files/muxuva.pdf
    • https://cdn.shopify.com/s/files/1/0431/2816/0420/files/convert_file_to_editable_word_document_for_free.pdf
    • https://cdn.shopify.com/s/files/1/0436/5287/4390/files/history_of_cadastral_survey.pdf
    • https://cdn.shopify.com/s/files/1/0430/5210/5881/files/xonadadajonozixum.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/64255738852.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_off0000600f.bin
37fb5719016e33872c7d5cca8adf25b927ac4b73b09b3f428e33e79bfe44f4dc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x600F 5404 bytes
font_01_sfnt_off00007268.bin
1f28d6a1c95856147093eb3fc8fc73cb35b02cbc74e6fb6c3bfec4c13a159ef6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7268 9980 bytes

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