Malicious PDF — malware analysis report

Static analysis result for SHA-256 d602fe8c513ae8d1…

MALICIOUS

PDF

54.5 KB Created: 2020-08-15 03:57:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 67b1688326d1949532463c48d6300a40 SHA-1: a00c5272f0339b422e7c910522205ebb01cc4744 SHA-256: d602fe8c513ae8d1ec570747ac9da032b148c6bbfeecdba5386ea850675532f5
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, with at least one identified as a malicious redirector. The document body, though heavily obfuscated, contains a URL that matches the malicious redirector. This suggests the primary purpose is to lure users to malicious websites, likely for phishing or malware delivery. No scripts were extracted, and the family is undetermined.

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.ru/pify?keyword=warhammer+total+war+2+bretonnia+guide
    • http://files.babalini.com/uploads/1/3/0/8/130814774/6d013d4a3845.pdf
    • http://files.oceanetic.com/uploads/1/3/0/7/130739789/fafaxogedop.pdf
    • http://files.douglascountygajrotc.com/uploads/1/3/2/3/132303009/bf0d5821318.pdf
    • https://cdn.shopify.com/s/files/1/0436/9547/2793/files/89932516371.pdf
    • https://cdn.shopify.com/s/files/1/0433/2004/9822/files/3655596160.pdf
    • https://cdn.shopify.com/s/files/1/0431/0712/3357/files/89714485266.pdf
    • https://cdn.shopify.com/s/files/1/0430/7812/3680/files/zidaf.pdf
    • https://cdn.shopify.com/s/files/1/0433/3489/3718/files/55984724450.pdf
    • https://cdn.shopify.com/s/files/1/0438/1478/1088/files/lumologazesatidodave.pdf
    • https://cdn.shopify.com/s/files/1/0429/2490/0515/files/62805329778.pdf
    • https://cdn.shopify.com/s/files/1/0440/7400/8741/files/alcoro_em_portugues_download.pdf
    • https://cdn.shopify.com/s/files/1/0429/3050/3846/files/70064305260.pdf
    • https://cdn.shopify.com/s/files/1/0428/9980/0217/files/wibisajepovuj.pdf
    • https://cdn.shopify.com/s/files/1/0429/6572/9429/files/15644856374.pdf
    • https://cdn.shopify.com/s/files/1/0428/7594/5126/files/71169189550.pdf
    • https://cdn.shopify.com/s/files/1/0427/4470/9276/files/33034963112.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_off00009530.bin
612297c7a99962cfefdedb201e9fe433aa828da6885dc5f9f5305e9f12b33476		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9530 5440 bytes
font_01_sfnt_off0000a7a4.bin
8ec5e79f539ad7ea83f1ec9c1e2718a3780ae26d2cb935597536992c792b490d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA7A4 10876 bytes

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