Malicious PDF — malware analysis report

Static analysis result for SHA-256 c006970b77005bed…

MALICIOUS

PDF

59.7 KB Created: 2020-09-04 05:41:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6c6940645cbf43f1eb99d8f48f740957 SHA-1: 7e1b551a94641a8043dddda575065ef36d4e6f6a SHA-256: c006970b77005bed7de1e1bae49562b444c04a9341e082e5e867b46052340e2c
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic match for PDF_MALICIOUS_REDIRECTOR_LINK, indicating it directs users to malicious infrastructure. The embedded URL https://ttraff.ru/wix?keyword=bleacher+report+aew+grades is the primary indicator of this malicious redirection. Additionally, the PDF_SEO_LINK_FARM heuristic indicates a large number of outbound links, many of which are likely part of a link farm to manipulate search engine results, further supporting a malicious intent to drive traffic to potentially harmful 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/wix?keyword=bleacher+report+aew+grades
    • https://cdn.shopify.com/s/files/1/0437/5193/2056/files/bukhari_shareef_urdu_translation_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0432/0431/3247/files/tanishq_gold_jewellery_designs_catalogue_with_price.pdf
    • https://cdn.shopify.com/s/files/1/0434/7274/8710/files/bookcraft_heather_weston.pdf
    • https://cdn.shopify.com/s/files/1/0436/2112/2208/files/djpunjab_com_new_song_2015.pdf
    • https://cdn.shopify.com/s/files/1/0440/9550/4536/files/thunderdelve_mountain.pdf
    • https://cdn.shopify.com/s/files/1/0432/0962/1665/files/duziden.pdf
    • https://cdn.shopify.com/s/files/1/0436/7056/9113/files/93763228832.pdf
    • https://cdn.shopify.com/s/files/1/0428/8220/3801/files/59015993219.pdf
    • https://static.usrfiles.com/ugd/b8c837_db9b540fbbe147f8a512187bec583164.pdf
    • https://static.usrfiles.com/ugd/b8c837_cc95d66fb11e42509a72a70f3bc28c94.pdf
    • https://static.usrfiles.com/ugd/10b11f_09f5998784ca45dab5462fe2147b1bec.pdf
    • https://static.usrfiles.com/ugd/405339_ef075eca88e448f99671472b596908cb.pdf
    • https://static.usrfiles.com/ugd/22bf55_116c6d55096443db91a186d178604d4a.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 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006025.bin
b6415eefd18ce997cc865c3c0eb8a92cf69cee6dac41e5b68b588f0921080914		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6025 5112 bytes
font_01_sfnt_off000071a3.bin
e9aaaf221cfbbd8c9e3077f502ec04314cb3862f4687cc2201b3b7516eef4704		 pdf-font-stream PDF embedded font (sfnt) at offset 0x71A3 10484 bytes
font_02_sfnt_off00009428.bin
9c59ff09ea557d594cf4fee87567dba9b6db942f5978e420ab8ffbb0bd7549bb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9428 11104 bytes
font_03_sfnt_off0000ba24.bin
3c44a451c8ca53eb1d91b5d6be47b35f716b5a63c432c85b88dccb863fe1c0b8		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBA24 16772 bytes
font_04_sfnt_off0000d177.bin
a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD177 4324 bytes

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