Malicious PDF — malware analysis report

Static analysis result for SHA-256 d8bcf988b8936630…

MALICIOUS

PDF

46.3 KB Created: 2020-08-21 01:08:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5f76308d556f8d5e9c9e8ef6fbe9a82f SHA-1: c5f0c9954a9b1ea8fbaa4053a3174887b2e2e3e9 SHA-256: d8bcf988b89366307bf6de487fb30950b80e22ecf78e6bea02697394c0380bd7
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, a technique often used for SEO poisoning or to distribute malicious content. One of the extracted URLs, 'https://ttraff.com/pify?keyword=at%2526+t+cingular+flip+2%2528+4044o+manual', is flagged as a known malicious redirector. This suggests the document's primary purpose is to redirect users to potentially harmful websites, possibly for phishing or malware distribution.

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=at%2526+t+cingular+flip+2%2528+4044o+manual
    • http://files.teachersfortomorrow.net/uploads/1/3/1/3/131398052/sukiw_joguz_vukolekenu.pdf
    • http://files.woodstockvolleyball.com/uploads/1/3/1/4/131436956/wutanamow.pdf
    • https://cdn.shopify.com/s/files/1/0431/1737/9745/files/divaxajewu.pdf
    • https://cdn.shopify.com/s/files/1/0435/3631/8616/files/zasenemuvorukuniguketeti.pdf
    • https://cdn.shopify.com/s/files/1/0431/2504/7463/files/64736341285.pdf
    • https://cdn.shopify.com/s/files/1/0433/2870/0571/files/72696342991.pdf
    • https://cdn.shopify.com/s/files/1/0433/8181/7494/files/paruthiveeran_cut_songs_masstamilan.pdf
    • https://cdn.shopify.com/s/files/1/0441/2620/8152/files/limaze.pdf
    • https://cdn.shopify.com/s/files/1/0438/3876/7266/files/domamamaziwo.pdf
    • https://cdn.shopify.com/s/files/1/0435/9307/2808/files/78041603294.pdf
    • https://cdn.shopify.com/s/files/1/0433/4950/8246/files/watemadox.pdf
    • https://cdn.shopify.com/s/files/1/0431/0158/5570/files/ziwakimezev.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_off00006df1.bin
e0233268349c86e907e42c49801d4dc3b2744ee39c46e9fb197a7b0c684561d4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6DF1 3552 bytes
font_01_sfnt_off000079ac.bin
0b668c603f2eb40080536d04946ee843dc5ce0a369da5cae8451ad1e9d7e1993		 pdf-font-stream PDF embedded font (sfnt) at offset 0x79AC 10956 bytes
font_02_sfnt_off00009f0a.bin
1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9F0A 4324 bytes

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