PDF malware analysis — malicious · fe5b4f5c80cad159

MALICIOUS

PDF

106.7 KB Created: 2020-08-06 05:11:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 73773135864265207f3e369c69bbc765 SHA-1: 0ff8a0eb7678a012e33a5a8cfedf2494d915bf5a SHA-256: fe5b4f5c80cad1594010158d3f285985bae0872be9fa2d4dde3bd3e8659e4428

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of external links, many of which point to seemingly benign Shopify URLs, but one critical heuristic identified a link to a known malicious redirector. The primary malicious URL, 'https://ttraff.com/pify?keyword=nicolo+machiavelli+the+prince+pdf', is designed to redirect users to further malicious content. The document body, though heavily obfuscated, contains this malicious URL, indicating a social engineering attempt to trick users into downloading or accessing malicious files.

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=nicolo+machiavelli+the+prince+pdf
- http://files.mtminc.co/uploads/1/3/1/3/131398334/sewejososuz_zarate_tonuxijiz_wizigimefome.pdf
- http://files.landscapeservicenassaucounty.com/uploads/1/3/0/7/130775229/a82743db68.pdf
- http://files.bringmorehappy.com/uploads/1/3/1/4/131453715/petugukomokida-jozelek-lukevip.pdf
- https://cdn.shopify.com/s/files/1/0440/5103/8358/files/oxford_spanish_to_english_dictionary.pdf
- https://cdn.shopify.com/s/files/1/0432/5369/4626/files/pobifuxab.pdf
- https://cdn.shopify.com/s/files/1/0430/3529/5905/files/air_pollution_control_a_design_approach_cooper.pdf
- https://cdn.shopify.com/s/files/1/0431/6587/6379/files/gudezoxurivad.pdf
- https://cdn.shopify.com/s/files/1/0440/5841/1158/files/precalculus_with_limits_3e.pdf
- https://cdn.shopify.com/s/files/1/0427/7708/4070/files/73165036353.pdf
- https://cdn.shopify.com/s/files/1/0432/3645/8654/files/75899397208.pdf
- https://cdn.shopify.com/s/files/1/0435/8940/2779/files/zopiguzug.pdf
- https://cdn.shopify.com/s/files/1/0428/1221/1359/files/tadevaj.pdf
- https://cdn.shopify.com/s/files/1/0434/3880/1061/files/34045279240.pdf
- https://cdn.shopify.com/s/files/1/0434/6055/9013/files/88224235591.pdf
- https://cdn.shopify.com/s/files/1/0427/9068/2783/files/84031040502.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/7082322425.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.

Filename	Kind	Source	Size
`font_00_sfnt_off000164c8.bin` `7806d176794f09c2bb2ca7866f5d67c239e92a8613b3d3684f43d70bff746115`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x164C8	5248 bytes
`font_01_sfnt_off00017684.bin` `75844fb1fab7dbd93635bf0bd39ea189a7235286e60fbae53208ebd9873d0792`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x17684	11304 bytes

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