Malicious PDF — malware analysis report

Static analysis result for SHA-256 292e2e45c8d5e29e…

MALICIOUS

PDF

34.8 KB Created: 2020-08-30 10:39:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3e39361b2ea6be257ff2c203099effd7 SHA-1: 70aa24a726a9ac3e4626cfd73cb2599c41f6f09c SHA-256: 292e2e45c8d5e29eedd2ce5919c676d12c210ca0cf614ad8fe76938e15a7d8eb
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector. The primary malicious URL identified is https://ttraff.com/wix?keyword=tremblez+mais+osez+pdf. The document body, though heavily obfuscated, contains references to this URL and other PDF files hosted on cdn.shopify.com, suggesting a link farm or redirection strategy. The presence of many external links points towards a phishing or scam attempt.

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/wix?keyword=tremblez+mais+osez+pdf
    • https://cdn.shopify.com/s/files/1/0463/6717/8907/files/davul_zurnal_oyun_havalar_kars.pdf
    • https://cdn.shopify.com/s/files/1/0433/9764/4444/files/jonixapiludusufadosulorob.pdf
    • https://cdn.shopify.com/s/files/1/0430/5669/3397/files/75840668162.pdf
    • https://cdn.shopify.com/s/files/1/0428/8518/5702/files/xotelilofegazutigaramijaf.pdf
    • https://static.usrfiles.com/ugd/b8c837_6a80bd6567bc415a91249fed35ff32d7.pdf
    • https://static.usrfiles.com/ugd/b8c837_7d907472fcd54df29e0c118fb13c0739.pdf
    • https://static.usrfiles.com/ugd/77d535_b391c99a5416475d83811994afa0b55d.pdf
    • https://cdn.shopify.com/s/files/1/0431/2553/8970/files/17143761794.pdf
    • https://cdn.shopify.com/s/files/1/0430/0403/5221/files/modern_analytical_techniques_books.pdf
    • https://cdn.shopify.com/s/files/1/0430/3015/1330/files/18619912937.pdf
    • https://cdn.shopify.com/s/files/1/0437/7555/7793/files/gowujemobujexamifivedutok.pdf
    • https://cdn.shopify.com/s/files/1/0429/4112/0679/files/minecraft_gta_mode.pdf
    • https://cdn.shopify.com/s/files/1/0437/7326/4030/files/retroarch_on_raspberry_pi.pdf
    • https://cdn.shopify.com/s/files/1/0434/5787/2039/files/tijaditoxevidebetumona.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_off000047c4.bin
3665fc6a08dad8289a10b35b6617025fb23d2f76024ef3f418b0ccaadc4d36e8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x47C4 5328 bytes
font_01_sfnt_off000059c6.bin
3d0e436c858e2eeece8df45bf3a9f802888b768f0c0bb96e7da0e105e95ac593		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59C6 11192 bytes

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