Malicious PDF — malware analysis report

Static analysis result for SHA-256 c096dd0ee4e51e95…

MALICIOUS

PDF

51.6 KB Created: 2020-08-19 22:15:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 57931cb54ee7ae394c72f8a3505c856b SHA-1: 027e0d8aab43ed1f775d3e05115832f1c59138d8 SHA-256: c096dd0ee4e51e9569678bd757935a44ccdca34df727d529246c4304d8cee8c4
120 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, ttraff.cc, which is disguised as a document for an 'Affidavit of loss sss id word format'. The file also contains a large number of embedded links, many pointing to Shopify, suggesting a link farm for SEO poisoning or traffic redirection. The primary malicious URL is https://ttraff.cc/pify?keyword=affidavit+of+loss+sss+id+word+format, which likely leads to further 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.cc/pify?keyword=affidavit+of+loss+sss+id+word+format
    • http://files.advancematerialrecovery.com/uploads/1/3/1/3/131381881/4605ad.pdf
    • https://cdn.shopify
    • https://cdn.shopify.com/s/files/1/0431/5598/0439/files/64203642033.pdf
    • https://cdn.shopify.com/s/files/1/0432/3924/3943/files/64982954386.pdf
    • https://cdn.shopify.com/s/files/1/0435/0866/2440/files/xefexilu.pdf
    • https://cdn.shopify.com/s/files/1/0438/0937/4365/files/40668448583.pdf
    • https://cdn.shopify.com/s/files/1/0431/5820/8674/files/zivuzarukarekolebekinip.pdf
    • https://cdn.shopify.com/s/files/1/0430/5652/9565/files/walupi.pdf
    • https://cdn.shopify.com/s/files/1/0430/6065/8333/files/norme_iso_9001_version_2020_afnor.pdf
    • https://cdn.shopify.com/s/files/1/0431/7066/0508/files/46569627069.pdf
    • https://cdn.shopify.com/s/files/1/0449/1057/5771/files/cecelib_possessive_series.pdf
    • https://cdn.shopify.com/s/files/1/0432/2033/6807/files/95368029392.pdf
    • https://cdn.shopify.com/s/files/1/0435/6279/5171/files/log_book_template_for_doctors.pdf
    • https://cdn.shopify.com/s/files/1/0437/7454/1981/files/famasosejudomugazivig.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_off00007bb5.bin
f9d0301a27a6f758351cd91ed3d71fe03f2b2686c3ef9a12310255478123d93a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7BB5 4756 bytes
font_01_sfnt_off00008be8.bin
ea7f5ecaeda9ef1a42f2f9d7742b0b4dedd0a145488a22b413afc34627c008b6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8BE8 12068 bytes
font_02_sfnt_off0000b2f0.bin
1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB2F0 4324 bytes

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