Malicious PDF — malware analysis report

Static analysis result for SHA-256 a6e739a76a78a837…

MALICIOUS

PDF

57.5 KB Created: 2020-08-05 16:45:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 610b1179b0e8f7f665d672b16a76f7a0 SHA-1: 4691817cccf2f02b0b0f47d1f52daee10f95a92e SHA-256: a6e739a76a78a83703bdd654e3dfa7ab25ef88d19045750e366e8a6746479967
120 Risk Score

Malware Insights

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

The PDF file contains multiple embedded links, with a critical heuristic firing for a malicious redirector. The document body, though heavily obfuscated, contains text that appears to be a lure related to 'El neoliberalismo definicion pdf' and includes the malicious URL. The presence of numerous external PDF links suggests a link farm or SEO poisoning attempt to distribute malicious content.

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=el+neoliberalismo+definicion+pdf
    • http://files.mcculleycuppan.com/uploads/1/3/0/8/130874554/zanevuvitukafizij.pdf
    • http://files.nextgenerationoutfitters.com/uploads/1/3/1/1/131164424/5167630.pdf
    • http://files.handmadebylouisa.com/uploads/1/3/0/7/130775827/25f7f89e987e0.pdf
    • http://files.xn--ettrfrdjuren-vcb4v.se/uploads/1/3/1/1/131164452/7b2317d00.pdf
    • http://files.familylavisse.com/uploads/1/3/2/6/132681647/rirevixabakaxep_pafovuwejejisor.pdf
    • https://cdn.shopify.com/s/files/1/0430/7707/5108/files/12099218577.pdf
    • https://cdn.shopify.com/s/files/1/0433/3263/2730/files/xulotufizanukuno.pdf
    • https://cdn.shopify.com/s/files/1/0432/3259/2040/files/81698164437.pdf
    • https://cdn.shopify.com/s/files/1/0437/6897/1418/files/71174994606.pdf
    • https://cdn.shopify.com/s/files/1/0432/1830/5179/files/sepap.pdf
    • https://cdn.shopify.com/s/files/1/0428/5136/9127/files/basic_writing_skills_download.pdf
    • https://cdn.shopify.com/s/files/1/0432/0234/7168/files/99244179572.pdf
    • https://cdn.shopify.com/s/files/1/0431/7003/7917/files/senow.pdf
    • https://cdn.shopify.com/s/files/1/0428/9072/3487/files/sekafujujigibekugaxes.pdf
    • https://cdn.shopify.com/s/files/1/0433/4639/5304/files/saxusebiliroworinib.pdf
    • https://cdn.shopify.com/s/files/1/0433/5242/4598/files/37785793600.pdf
    • https://cdn.shopify.com/s/files/1/0435/2675/0359/files/fungi_pathogenesis.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_off0000a039.bin
085fbb14a4904fd4e104ffd1010b0b1011293f1a547971212c1380c3713deb4b		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA039 5400 bytes
font_01_sfnt_off0000b27b.bin
8f9c0449ade9f86681dab1a58c06fe0d6173616096df3e237c7e7c4ff4361ffe		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB27B 11416 bytes

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