Malicious PDF — malware analysis report

Static analysis result for SHA-256 45ac834e2267f527…

MALICIOUS

PDF

39.2 KB Created: 2020-08-30 03:01:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4a06343f955a9dfbacce4d905c7c3fb1 SHA-1: b79144afc70378ccf3b538e99cf0f697f92db7af SHA-256: 45ac834e2267f527886abf0607bbd6f1445671e6929427cb387a4a55a5413f09
120 Risk Score

Malware Insights

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

The PDF contains a mass of external links, including a critical link to a known malicious redirector at 'ttraff.cc'. The document body, though partially corrupted, contains text related to a movie title and embedded URLs, suggesting a lure to trick users into clicking the malicious link. The primary malicious IOC is the redirector URL, which likely leads to further stages of an attack.

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.cc/wix?keyword=deadpool+pelicula+completa+espa%25C3%25B1ol+latino
    • https://cdn.shopify.com/s/files/1/0431/6338/6016/files/43891972122.pdf
    • https://cdn.shopify.com/s/files/1/0432/6031/3768/files/facture_apporteur_daffaire.pdf
    • https://cdn.shopify.com/s/files/1/0435/9674/2815/files/couple_photos_wallpapers.pdf
    • https://cdn.shopify.com/s/files/1/0430/5725/0455/files/24210892532.pdf
    • https://cdn.shopify.com/s/files/1/0451/8638/4023/files/legend_of_zelda_encyclopedia_download.pdf
    • https://static.usrfiles.com/ugd/599026_0c7618762e0f42c48b0510dd01bc1751.pdf
    • https://static.usrfiles.com/ugd/b8c837_9c9e756a72e4480692bad3d296c7bd31.pdf
    • https://static.usrfiles.com/ugd/409ca8_5cd1625949c54ae4bc7ca3c647bf08ae.pdf
    • https://static.usrfiles.com/ugd/b8c837_e0c3c45da79249788ec0ee31b601bc21.pdf
    • https://static.usrfiles.com/ugd/77eba6_fa877e9a7c5049588b8791a5c4c66999.pdf
    • https://static.usrfiles.com/ugd/b8c837_ef21abd4d10d4d0490ede476d398db3f.pdf
    • https://static.usrfiles.com/ugd/c8a981_035b88b466854d79aac18077970108bc.pdf
    • https://static.usrfiles.com/ugd/b8c837_eeceabeff01b4557a1cb6a51ea69f3a9.pdf
    • https://static.usrfiles.com/ugd/b8c837_3d3eb8c9cf294477bd1a2e232c109eff.pdf
    • https://static.usrfiles.com/ugd/dc98cc_780c2d45febe46f08d3177929c05c5b8.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_off000058a8.bin
376820329c1c4756e356a3c3e724465de42f4d9c1b51e974414beca189097902		 pdf-font-stream PDF embedded font (sfnt) at offset 0x58A8 5336 bytes
font_01_sfnt_off00006a7b.bin
fb79471e1b700ed7259e52de2cf9ebba03bce5d831dfea8665150d251fd3badd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6A7B 10388 bytes

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