Malicious PDF — malware analysis report

Static analysis result for SHA-256 907cc01511adcb5a…

MALICIOUS

PDF

51.5 KB Created: 2020-08-31 08:51:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 60b6f692294fd1076db7a0da1d2bc11b SHA-1: 852fe17d1e97b737db88f4d0cbdb67f2f4c585f1 SHA-256: 907cc01511adcb5ac75197e95e8251235822e8400295b20f8de69786c627b018
120 Risk Score

Malware Insights

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

The PDF file contains embedded links that point to a known malicious redirector. The document body, though heavily obfuscated, contains text that appears to be a lure for an 'owner's manual'. The heuristic firings indicate the PDF is designed to redirect users to malicious infrastructure, likely for further exploitation or credential harvesting. No scripts were extracted from this sample.

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/wix?keyword=2008+victory+vision+owners+manual
    • https://cdn.shopify.com/s/files/1/0433/5117/9416/files/71626597317.pdf
    • https://cdn.shopify.com/s/files/1/0434/3365/6476/files/possessive_pronouns_worksheet_with_answer_key.pdf
    • https://cdn.shopify.com/s/files/1/0431/3609/0273/files/85136929844.pdf
    • https://cdn.shopify.com/s/files/1/0433/6405/7238/files/crawl_game_guide.pdf
    • https://cdn.shopify.com/s/files/1/0436/9927/3882/files/nicomachean_ethics_oxford.pdf
    • https://static.usrfiles.com/ugd/b8c837_0a0445fbf03441d0a8e13c78aaf8a6cc.pdf
    • https://static.usrfiles.com/ugd/5bb01c_b30ce453f53348c8831797c5a3c86463.pdf
    • https://static.usrfiles.com/ugd/efb3f0_f06ab781e50142bd89a48b507343aad0.pdf
    • https://static.usrfiles.com/ugd/c7a620_95696f5c9ae94f9bb51b9507d24826b0.pdf
    • https://static.usrfiles.com/ugd/e3ed1f_6e8c1e4ed54f46479c8eccc9af3a5b7e.pdf
    • https://cdn.shopify.com/s/files/1/0440/8259/3957/files/alternative_dispute_resolution_techniques.pdf
    • https://cdn.shopify.com/s/files/1/0434/4971/2806/files/84465863103.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_off00006836.bin
0674337707f3cae953dbf46fe86008861b16b7840eb48f18822601e4285d1c8c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6836 5572 bytes
font_01_sfnt_off00007b1a.bin
dcc323559d695ffdb8d770bf324464b72b52d0af423e02af6c229b2588b3ce01		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7B1A 15764 bytes
font_02_sfnt_off0000ab8d.bin
2c5f1a2e3d9f683f6a217a47aeaaae813f7d4ef732a5ff54a929695507d09140		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAB8D 16092 bytes

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