Malicious PDF — malware analysis report

Static analysis result for SHA-256 783907dbe01ec2ba…

MALICIOUS

PDF

47.6 KB Created: 2020-08-30 17:37:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 89c0fc62c19e8da7914377195b1a1c46 SHA-1: 18e044663d164a30554e72e040bab0dc767fcaa5 SHA-256: 783907dbe01ec2babb561c19c078e3e6af92c77b12d97bac4c02cc63780622dd
120 Risk Score

Malware Insights

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

The PDF file contains a mass of external links, with one critical heuristic identifying a link to known malicious redirector infrastructure. The document body contains a link to 'https://ttraff.ru/wix?keyword=space+engineers+equip+gun', which is likely intended to lead the user to malicious content. No scripts were extracted, and the PDF structure itself does not indicate specific exploitation techniques beyond redirection.

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=space+engineers+equip+gun
    • https://cdn.shopify.com/s/files/1/0437/8696/1045/files/sonodenagopita.pdf
    • https://cdn.shopify.com/s/files/1/0436/0473/8206/files/11441454984.pdf
    • https://cdn.shopify.com/s/files/1/0432/2266/3325/files/brewster_law_derivation.pdf
    • https://cdn.shopify.com/s/files/1/0459/7140/7008/files/71951713466.pdf
    • https://static.usrfiles.com/ugd/e73fea_65350d36839b455e820351fa8dfdfd74.pdf
    • https://static.usrfiles.com/ugd/0f1814_a5880f77ac244464b0353bb3e5327918.pdf
    • https://static.usrfiles.com/ugd/4b68be_7b280d4320b248daba8b814325ec50a2.pdf
    • https://cdn.shopify.com/s/files/1/0432/8580/7269/files/tivurudelajujuworokozuli.pdf
    • https://cdn.shopify.com/s/files/1/0434/5259/6374/files/tukividajikurekuvabefeme.pdf
    • https://cdn.shopify.com/s/files/1/0432/1135/8372/files/45873361508.pdf
    • https://cdn.shopify.com/s/files/1/0432/8030/2238/files/gupugol.pdf
    • https://static.usrfiles.com/ugd/b8c837_a4828b92555b41358da5203a94787f42.pdf
    • https://static.usrfiles.com/ugd/b8c837_bc34b97dcaa74938b16abff6b346559c.pdf
    • https://static.usrfiles.com/ugd/49be48_520639a6a0e94e7b8ba6dc4fb4e74692.pdf
    • https://static.usrfiles.com/ugd/d54300_11d034a2cc524990a3a49e52cb6ab969.pdf
    • https://static.usrfiles.com/ugd/b8c837_607cf5f478734dbaa885c6cc1aadfda5.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000065f1.bin
e7fbae25dfac2b8fd1b1314225fdf3325fd454469f60d47d65733e35d0024a01
pdf-font-stream PDF embedded font (sfnt) at offset 0x65F1 5296 bytes
font_01_sfnt_off000077f2.bin
197781ce204af5f0006ae9e1de61d689728b9d519a50712a3201510086522180
pdf-font-stream PDF embedded font (sfnt) at offset 0x77F2 11404 bytes
font_02_sfnt_off00009cd0.bin
c72ca0970d51b0a8ad78cefeb5ce5696832e14da31bd2128a4ba9c3d04a16bf4
pdf-font-stream PDF embedded font (sfnt) at offset 0x9CD0 16104 bytes