Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee6e648a03a4c1e9…

MALICIOUS

PDF

36.1 KB Created: 2020-10-12 07:48:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4f92110269312d848ac94a2488feae5d SHA-1: 264cc3c3175a9f011337ad68b2884d423fe94994 SHA-256: ee6e648a03a4c1e919aebe7ee8f65df6d12275dc5af927d0c5fd551cc5f90edc
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, with one identified as a malicious redirector and others forming a link farm. This suggests the primary purpose is to manipulate search engine rankings or redirect users to potentially harmful content. No scripts were extracted from this sample, limiting the ability to determine further payload delivery or execution mechanisms.

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://gettraff.ru/strik?keyword=ne+diyarbak%25C4%25B1r+anlad%25C4%25B1+beni+nede+sen
    • https://site-1042892.mozfiles.com/files/1042892/zibar.pdf
    • https://site-1039889.mozfiles.com/files/1039889/87259858108.pdf
    • https://site-1039386.mozfiles.com/files/1039386/gifir.pdf
    • http://lenuli.tashmadada.com/uploads/1/3/1/3/131379371/tebarotowitizow_fabagokipajo_lujudotevub.pdf
    • http://files.jubileecatholiccommunity.com/uploads/1/3/0/7/130738806/xaxofijomoweted-madotuzimo.pdf
    • http://files.robertberman99.com/uploads/1/3/0/8/130814176/rokinevarow-fuwunomokaf-kowomed.pdf
    • http://futizujip.radsgf.com/uploads/1/3/2/7/132740352/4786216.pdf
    • http://files.silfrencircle.com/uploads/1/3/1/6/131636736/990868.pdf
    • http://tepil.mandmstage.com/uploads/1/3/0/7/130775164/7667218.pdf
    • https://cdn.shopify.com/s/files/1/0431/3346/8821/files/gelomalawowugabinixokegel.pdf
    • https://cdn.shopify.com/s/files/1/0485/9238/8261/files/papa_louie_pizzas.pdf
    • https://cdn.shopify.com/s/files/1/0484/1370/4349/files/48517499009.pdf
    • https://cdn.shopify.com/s/files/1/0436/8901/7497/files/kilokiruguzudofatagado.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_off00004d8d.bin
0ae9e36d79e3b9285840e4b69137f40079cecacb27b16d786d76b2426d633ecb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4D8D 5124 bytes
font_01_sfnt_off00005f14.bin
92bd1d68067c1aa9956c24127cf86ab28afb2dbc62be41de59cf083dea0bbd98		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5F14 10856 bytes

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