Malicious PDF — malware analysis report

Static analysis result for SHA-256 416f99d4a771aa46…

MALICIOUS

PDF

41.0 KB Created: 2020-09-16 10:55:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5b2375bdee830a492586da13fa0085d1 SHA-1: 5cec8ee140152367e006e033f3563988ac21366e SHA-256: 416f99d4a771aa46f86daae29aadfdb2076777f06dbec1c2808574d76b68b9dd
120 Risk Score

Malware Insights

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

The PDF file contains a mass of external links, many of which point to redirector infrastructure. One prominent link, 'https://ttraff.club/pify?keyword=beautiful+broken+things+pdf+free+download', is identified as a malicious redirector. This suggests the document's primary purpose is to drive traffic to malicious sites, likely for phishing or malware distribution. The file's structure and content indicate a link farm tactic to improve SEO for malicious content.

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.club/pify?keyword=beautiful+broken+things+pdf+free+download
    • http://files.stmwvenue.co.uk/uploads/1/3/2/7/132740515/bc78b9022c4.pdf
    • http://files.allseasonsironworks.com/uploads/1/3/0/7/130739081/fuxaxufezanarinegapu.pdf
    • http://files.marinovanhoenacker.com/uploads/1/3/0/7/130776246/gakifid-zikonatu-falogoradel.pdf
    • http://files.burkega.org/uploads/1/3/0/7/130739173/kikone_zodijo.pdf
    • http://files.robinmaydavismd.com/uploads/1/3/2/7/132741225/raxewu-padudetap.pdf
    • http://xanab.fiestaomaha.com/uploads/1/3/0/7/130775918/xalilafan.pdf
    • http://files.smartersweat.com/uploads/1/3/1/3/131379183/fujoxojogo.pdf
    • http://files.data-in-harmony.com/uploads/1/3/0/8/130874567/880baa8b0a06ee.pdf
    • https://cdn.shopify.com/s/files/1/0436/3000/2336/files/google_sheets_calendar_template_october_2019.pdf
    • https://cdn.shopify.com/s/files/1/0457/3403/5622/files/xuwufu.pdf
    • https://cdn.shopify.com/s/files/1/0435/9385/9231/files/kodak_black_tunnel_vision_mp3_downlo.pdf
    • https://cdn.shopify.com/s/files/1/0430/7949/9940/files/daydream_believer_trumpet_sheet_music.pdf
    • https://static.usrfiles.com/ugd/6c98bc_de515f3582f7492bb950c36dfbe984bb.pdf
    • https://static.usrfiles.com/ugd/140efa_d0bfa14b4f5842978a47f79f0e15c469.pdf
    • https://static.usrfiles.com/ugd/a18aa6_4d64e29925dd48da9d999b4f221ee18c.pdf
    • https://static.usrfiles.com/ugd/6df952_ad72f07de9c0411aba44db65bf10fbe5.pdf
    • https://static.usrfiles.com/ugd/9ef0c3_48ec8aa297dc4d2cac0d432810d46beb.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_off00005400.bin
616343c3e69b5d2530fe79adb17b060c9ec1abda26261956669fc61ce4780082
pdf-font-stream PDF embedded font (sfnt) at offset 0x5400 5528 bytes
font_01_sfnt_off000066c8.bin
66020320007936cf0e102afdc8e3f809d46d4bfe844b58d7985906eab02109b7
pdf-font-stream PDF embedded font (sfnt) at offset 0x66C8 9896 bytes
font_02_sfnt_off000088b8.bin
cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34
pdf-font-stream PDF embedded font (sfnt) at offset 0x88B8 4324 bytes