Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d43e084e4b1ab10…

MALICIOUS

PDF

42.2 KB Created: 2020-08-05 15:09:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 080b216cce50a51c77a8cd7096f22e7d SHA-1: fd94e8343f15abff1a192f4e2aedf3400a2a68f6 SHA-256: 9d43e084e4b1ab10243219726cd13657a95bf8c25fd1067a00b02bd43bb303d5
128 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with one critical link pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'ownership certificate telangana pdf' and includes the malicious URL, suggesting a lure to a phishing or malware distribution site. The presence of numerous PDF links indicates a broad attempt to distribute malicious content.

Heuristics 4

  • 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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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=ownership+certificate+telangana+pdf
    • http://files.livingcivically.com/uploads/1/3/1/0/131070374/juledokimuzolex.pdf
    • http://wiribapov.tracygardnerbeno.com/uploads/1/3/2/3/132303035/6050297.pdf
    • http://files.rejectrobotics.com/uploads/1/3/0/9/130969659/3aa808899.pdf
    • http://files.milandragicevich.com/uploads/1/3/1/4/131409333/2e523c38e.pdf
    • http://files.hacd.org/uploads/1/3/1/4/131437378/2847984.pdf
    • https://cdn.shopify.com/s/files/1/0432/8115/4204/files/66087053368.pdf
    • https://cdn.shopify.com/s/files/1/0434/4617/3852/files/tikimifexixoluzuvamama.pdf
    • https://cdn.shopify.com/s/files/1/0437/9289/2053/files/pivusir.pdf
    • https://cdn.shopify.com/s/files/1/0434/9073/8328/files/medicinal_plants_articles.pdf
    • https://cdn.shopify.com/s/files/1/0431/2799/6565/files/machine_design_shigley.pdf
    • https://cdn.shopify.com/s/files/1/0435/9805/3535/files/how_to_unzip_a_file_on_mac.pdf
    • https://cdn.shopify.com/s/files/1/0428/8161/3987/files/problem_solving_therapy_worksheets.pdf
    • https://cdn.shopify.com/s/files/1/0438/2857/6416/files/76589244886.pdf
    • https://cdn.shopify.com/s/files/1/0430/9201/7305/files/rosekevisawu.pdf
    • https://cdn.shopify.com/s/files/1/0435/8907/5102/files/ritogerisagusuk.pdf
    • https://cdn.shopify.com/s/files/1/0430/3601/6803/files/jumepudolezawimarimolawuj.pdf
    • https://cdn.shopify.com/s/files/1/0437/6389/2375/files/chester_zoo_map_2020.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/
    • https://cdn.shopify.com/s/files/1/04

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005f1c.bin
ea218a36b628312390b54746bb6453cf47a2f698476d97b80e4aebe7386c57e3
pdf-font-stream PDF embedded font (sfnt) at offset 0x5F1C 5536 bytes
font_01_sfnt_off000071fc.bin
19fa74bca241833605c7202b1edf4a16de1e413543a5aef34471f1cbc43f1042
pdf-font-stream PDF embedded font (sfnt) at offset 0x71FC 13044 bytes