Malicious PDF — malware analysis report

Static analysis result for SHA-256 c9face8409490009…

MALICIOUS

PDF

39.9 KB Created: 2020-08-19 04:18:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 03a2eea279067d2d883cd1e69df378a2 SHA-1: e6b388d8e78437c701a19025864da2d7002e7ac8 SHA-256: c9face840949000920921d51d39dc2b9b4e8aad9142cfa4ba31285b820b14615
150 Risk Score

Malware Insights

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

The PDF contains a mass of external links, with one prominent link pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to "secrets of antigravity propulsion paul laviolette pdf" and the URL that leads to the malicious redirector. This suggests the PDF is designed as a lure to drive traffic to malicious infrastructure, likely for further exploitation or phishing.

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=secrets+of+antigravity+propulsion+paul+laviolette+pdf
    • http://files.crawlspacespecialists.com/uploads/1/3/1/4/131405977/jelexi.pdf
    • http://patutumur.tuttlelibrary.org/uploads/1/3/2/8/132814930/jibubeloridiluwiter.pdf
    • https://cdn.shopify.com/s/files/1/0428/8220/3801/files/xitisojimefonikezizur.pdf
    • https://cdn.shopify.com/s/files/1/0428/2518/7491/files/82677492682.pdf
    • https://cdn.shopify.com/s/files/1/0431/0079/9140/files/dikivijow.pdf
    • https://cdn.shopify.com/s/files/1/0438/2290/7549/files/bepantol_soluo_bula.pdf
    • https://cdn.shopify.com/s/files/1/0438/7281/3211/files/71104541159.pdf
    • https://cdn.shopify.com/s/files/1/0433/5727/4261/files/japan_car_auction_sheet.pdf
    • https://cdn.shopify.com/s/files/1/0432/6152/6166/files/xorobebono.pdf
    • https://cdn.shopify.com/s/files/1/0432/4599/4146/files/gakulonenipavogi.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_off00005c6a.bin
a5d67fac277b57eb57294d7e7e77200505d0d39b05fbd1e1f16ba9e74232f7c2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5C6A 5588 bytes
font_01_sfnt_off00006f7e.bin
7125b8726312290eb480f288698a13ef64483c911ddfde873b83f0810e45f84b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F7E 10564 bytes

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