Malicious PDF — malware analysis report

Static analysis result for SHA-256 215a0446604ac430…

MALICIOUS

PDF

40.8 KB Created: 2020-08-21 07:11:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: c453615d2f22efab0dc7941a84eed991 SHA-1: 2f8d861f1fe05c28c0d8a8503cbaa1e4ba5358d3 SHA-256: 215a0446604ac430caa737b3b18b05e1fd4b953e1e085cef063cb527a5051339
150 Risk Score

Malware Insights

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

The PDF file was flagged by multiple critical heuristics for containing a malicious redirector link and a large number of external PDF links, suggesting a link farm or SEO manipulation tactic. The ML classifier also strongly indicated maliciousness. The primary malicious IOC is the redirector URL, which likely leads to further malicious content. The document body contains garbled text and embedded URLs, reinforcing the link-based attack pattern.

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.ru/pify?keyword=shatta+wale+songs+2014
    • http://files.sarasotagreenpoetry.com/uploads/1/3/0/8/130814515/nijobu.pdf
    • http://voguj.jerichoroadmotorsports.com/uploads/1/3/1/6/131606490/442856fcca1.pdf
    • https://cdn.shopify.com/s/files/1/0431/3104/4007/files/anthony_robbins_books_free.pdf
    • https://cdn.shopify.com/s/files/1/0428/7312/7079/files/99109512284.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/godikuka.pdf
    • https://cdn.shopify.com/s/files/1/0436/5670/8254/files/how_to_speak_english_fluently_ebook.pdf
    • https://cdn.shopify.com/s/files/1/0430/9693/2505/files/42679540016.pdf
    • https://cdn.shopify.com/s/files/1/0429/5150/8131/files/rudagorafuxasim.pdf
    • https://cdn.shopify.com/s/files/1/0432/1925/5454/files/cladogram_worksheet_answers_worm_spider_ant_fly.pdf
    • https://cdn.shopify.com/s/files/1/0430/2438/4154/files/tigefabagol.pdf
    • https://cdn.shopify.com/s/files/1/0427/9740/0223/files/48468935136.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_off00006042.bin
3369895a1561440d20fc8944e3a9b67b4308b999476e2dc27af761a0bc8bbe93		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6042 5460 bytes
font_01_sfnt_off000072ea.bin
5601cd083a31a183245f249167b5046879ea98fb4cc4671b9682c956347c5c9d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x72EA 10468 bytes

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