Malicious PDF — malware analysis report

Static analysis result for SHA-256 f12ac76d5a5f5e4f…

MALICIOUS

PDF

48.3 KB Created: 2020-08-31 17:10:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 1154c3689826172803beacd7f2718711 SHA-1: eeaac5e1489ca660f9c60c6d3ab5220285b1fcfb SHA-256: f12ac76d5a5f5e4fa2e0fddf637e13abff9a5f65b777a1c9f54db6c8039e572d
128 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link disguised as a download button and a document title suggesting a manual. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms the link leads to known malicious infrastructure. The PDF_SEO_LINK_FARM heuristic indicates a large number of embedded links, likely for SEO manipulation or to obscure the malicious destination. The embedded URL points to a redirector that likely serves further 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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.cc/wix?keyword=bolide+slideshow+creator+manual
    • https://cdn.shopify.com/s/files/1/0438/8611/7032/files/la_100_en_vivo.pdf
    • https://cdn.shopify.com/s/files/1/0435/8583/1080/files/wubojebejitivoluzuputu.pdf
    • https://cdn.shopify.com/s/files/1/0432/7663/2214/files/bugafetugoja.pdf
    • https://cdn.shopify.com/s/files/1/0431/7426/4996/files/49357896847.pdf
    • https://cdn.shopify.com/s/files/1/0430/8670/8885/files/56457602043.pdf
    • https://static.usrfiles.com/ugd/5bb01c_bcfa67ac294c401c9d4f712ebfb99697.pdf
    • https://static.usrfiles.com/ugd/b8c837_fcd4a41a79af447bb24ddede2b7f64e0.pdf
    • https://static.usrfiles.com/ugd/0d2908_aba699592cd04cd79fa7731606146d58.pdf
    • https://static.usrfiles.com/ugd/ac72e0_6e20eb226cff4174a3c0c540c35e9c0d.pdf
    • https://static.usrfiles.com/ugd/b8c837_754389c3fe49474483e0c5960eceea09.pdf
    • https://cdn.shopify.com/s/files/1/0437/2401/3722/files/34456655745.pdf
    • https://cdn.shopify.com/s/files/1/0429/3220/7782/files/14308368282.pdf
    • https://cdn.shopify.com/s/files/1/0434/4155/3575/files/pezigobumipexari.pdf
    • https://static.usrfiles.com/ugd/0baf77_9a2e327254b743fca606836c4c1b3c2e.pdf
    • https://static.usrfiles.com/ugd/5be868_8d6e0acd0b0549269e4b7db75d75e83d.pdf
    • https://static.usrfiles.com/ugd/b3bc21_2badb9948aae4adc83db218f2bf7a3fb.pdf
    • https://static.usrfiles.com/ugd/0d9a50_2c24cf4a5c604c14bcbd0c71573e814b.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_off00006780.bin
19375ac70ae39534506ef07996c973af6f5b674a5f7a068d3172390f5a1c3c25
pdf-font-stream PDF embedded font (sfnt) at offset 0x6780 5320 bytes
font_01_sfnt_off00007982.bin
47dc874a78d34a0eb61a0804dc3524837dd8099a4e3c45f30339afa82f67d539
pdf-font-stream PDF embedded font (sfnt) at offset 0x7982 10936 bytes
font_02_sfnt_off00009e7f.bin
5550aee2d324c1284251b1b8f4ea932e27d1e8a15bb02d0b879354bc667cc3b8
pdf-font-stream PDF embedded font (sfnt) at offset 0x9E7F 16232 bytes