Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e8ade0518e96faf…

MALICIOUS

PDF

38.5 KB Created: 2020-08-04 14:31:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6378c487e57431bf45eb97cfe29401a7 SHA-1: ed81cbe231c8e55d7d856124b0e965654a25d444 SHA-256: 9e8ade0518e96fafb799740e693c85a703624c2b06a79378ca861e9db33809cf
120 Risk Score

Malware Insights

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

The PDF document contains a deceptive title and a large number of embedded links, many of which point to external PDF files. One of the primary links directs to a known malicious redirector at ttraff.ru. This indicates a likely attempt to lure users to malicious websites, potentially for phishing or malware distribution.

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=arr%25C3%25AAtez+de+vous+trouver+des+excuses+pdf
    • http://files.powerlandrealty.com/uploads/1/3/0/8/130815213/3449410.pdf
    • http://vufoj.editionalicesutton.com/uploads/1/3/0/8/130814229/zulure.pdf
    • http://files.arkvetclinic.com/uploads/1/3/0/7/130739063/rolenigewifas-rarujalomoxabap.pdf
    • http://files.sambeafarm.com/uploads/1/3/0/7/130739628/b35986ef45730.pdf
    • http://files.corralesconstructionllc.com/uploads/1/3/1/8/131871618/doruned.pdf
    • https://cdn.shopify.com/s/files/1/0432/3131/4077/files/dizixi.pdf
    • https://cdn.shopify.com/s/files/1/0431/0751/6565/files/60198593287.pdf
    • https://cdn.shopify.com/s/files/1/0427/8360/4903/files/56313108618.pdf
    • https://cdn.shopify.com/s/files/1/0431/0673/0144/files/27855432807.pdf
    • https://cdn.shopify.com/s/files/1/0434/1219/3438/files/bogubirapirefulomokepavoz.pdf
    • https://cdn.shopify.com/s/files/1/0429/0461/7119/files/80159411034.pdf
    • https://cdn.shopify.com/s/files/1/0431/5702/9024/files/44479878846.pdf
    • https://cdn.shopify.com/s/files/1/0437/4256/0407/files/23933930105.pdf
    • https://cdn.shopify.com/s/files/1/0430/3768/7962/files/84461241233.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/21659337375.pdf
    • https://cdn.shopify.com/s/files/1/0437/5789/5831/files/57205675256.pdf
    • https://cdn.shopify.com/s/files/1/0431/8615/9767/files/34402720626.pdf
    • https://cdn.shopify.com/s/files/1/0434/0652/4566/files/tony_hawk_s_underground_2_soundtrack.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_off000053d1.bin
94f618744be11e9435ee9c11a7649481d5c18578698e6e69f5eb4d3beb87509d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x53D1 5224 bytes
font_01_sfnt_off0000657a.bin
9da5f2c06b2c40d4aec4d25dc571431f10a5d884939deeb4c32c59714c0ea9fd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x657A 11556 bytes

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