Malicious PDF — malware analysis report

Static analysis result for SHA-256 c03062dba0a20969…

MALICIOUS

PDF

47.1 KB Created: 2020-08-17 06:37:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 05a90e01e6fee42d0f476cde978bc1f9 SHA-1: 6fd281907ded9335957663fbe4f763145022df25 SHA-256: c03062dba0a2096908a5e0e17f88c10bd17ca382d9f515636302aea510043ad4
150 Risk Score

Malware Insights

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

The PDF contains a link that redirects to a malicious domain, likely as part of a phishing or scam campaign. The document body, though heavily obfuscated, contains text related to a 'Casio projector' and the malicious URL, suggesting a lure. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm used for SEO poisoning or distributing malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.com/pify?keyword=casio+projector+xj-+v1+pdf
    • http://nenatelo.amyandrewsmusic.com/uploads/1/3/1/4/131482995/9098735.pdf
    • http://files.lailascase.com/uploads/1/3/1/8/131871614/0ac37255038042.pdf
    • http://dokupes.terrieiner.com/uploads/1/3/0/8/130814328/zegusekeku.pdf
    • http://files.villagevoiceschoir.net/uploads/1/3/0/7/130739062/6223390.pdf
    • https://cdn.shopify.com/s/files/1/0434/9621/0594/files/gumos.pdf
    • https://cdn.shopify.com/s/files/1/0428/5412/1635/files/biology_class_11_book.pdf
    • https://cdn.shopify.com/s/files/1/0434/3955/4727/files/nitekiwegag.pdf
    • https://cdn.shopify.com/s/files/1/0431/5817/5893/files/164463138.pdf
    • https://cdn.shopify.com/s/files/1/0432/2390/8520/files/sawijuvasomatatebik.pdf
    • https://cdn.shopify.com/s/files/1/0430/0200/3609/files/malayalam_calendar_2020_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0431/0935/1575/files/69510816925.pdf
    • https://cdn.shopify.com/s/files/1/0428/5323/6902/files/7321860553.pdf
    • https://cdn.shopify.com/s/files/1/0438/1042/2941/files/buserezegukogumelifop.pdf
    • https://cdn.shopify.com/s/files/1/0432/5877/3662/files/b_g_triton_autopilot_installation_manual.pdf
    • https://cdn.shopify.com/s/files/1/0435/2655/3755/files/pibivutadokutu.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_off00006bef.bin
ee72d964bb07bb774efb52cc1c226be2b8a0f5484134a5cff8fac6ce61678130		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6BEF 5308 bytes
font_01_sfnt_off00007e2d.bin
42e31e9d00e57294adacc69803e45c0952a99ea6dc29af78fca97daf50be2717		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7E2D 16012 bytes

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