Malicious PDF — malware analysis report

Static analysis result for SHA-256 d197afdacb6fe529…

MALICIOUS

PDF

43.0 KB Created: 2020-08-14 08:52:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5d5319949ac7c917a10192ff669e45cd SHA-1: a044781a55065ed3a340934da38eb48c83646d5a SHA-256: d197afdacb6fe52926f926eb01764fe90a6926cf4f93ea51eda60dedfd9a0899
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to a redirector service known for malicious activity. The document body, though heavily obfuscated, contains references to URLs that appear to be part of a link farm designed to manipulate search engine results and direct users to potentially harmful content. The primary attack pattern observed is the use of a link farm within a PDF to redirect users to malicious sites.

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/wb?keyword=protocols%20in%20computer%20networks%20pdf
    • http://files.sueannecelebrant.com/uploads/1/3/1/4/131437351/26ff42c.pdf
    • http://zofove.bridgit-dengel-gaspard.com/uploads/1/3/2/6/132680813/xekoxopetugir-dudasowezabonid.pdf
    • http://files.valortabletennis.com/uploads/1/3/1/8/131856232/sajosijebubumut-loludulabin-jezigizejupiga.pdf
    • https://cdn.shopify.com/s/files/1/0433/1018/6654/files/american_gods_francais.pdf
    • https://cdn.shopify.com/s/files/1/0432/2839/7728/files/13099725664.pdf
    • https://cdn.shopify.com/s/files/1/0443/0426/9468/files/mobile_application_development_black_book.pdf
    • https://cdn.shopify.com/s/files/1/0431/3110/9540/files/august_month_current_affairs_gradeup.pdf
    • https://cdn.shopify.com/s/files/1/0430/3526/3138/files/general_electric_renewable_energy_report.pdf
    • https://cdn.shopify.com/s/files/1/0428/5654/6467/files/pojezuwawaxazo.pdf
    • https://cdn.shopify.com/s/files/1/0430/8451/3444/files/dijaz.pdf
    • https://cdn.shopify.com/s/files/1/0440/6388/3429/files/369096322.pdf
    • https://cdn.shopify.com/s/files/1/0437/8922/2045/files/wifumazavegobo.pdf
    • https://cdn.shopify.com/s/files/1/0428/3318/2886/files/28397521888.pdf
    • https://cdn.shopify.com/s/files/1/0434/4892/6364/files/xforce_adobe_2015_keygen.pdf
    • https://cdn.shopify.com/s/files/1/0431/7901/6360/files/cfa_curriculum_level_2.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_off00006101.bin
b762ca84aaf7a89ef85938ca2983633521e150215ffd40a20ab02a82bef170b6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6101 5248 bytes
font_01_sfnt_off000072d5.bin
556c67b7d09a35428708b5d4ecfb327e03c752215f6434dda19ac2e983fd849d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x72D5 14376 bytes

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