PDF malware analysis — malicious · 2dfe691dfc9efdb7

MALICIOUS

PDF

45.4 KB Created: 2020-08-05 23:00:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 046cc38f35225a3aede87a1ad404c214 SHA-1: 6fb4a0b6d9b6e5bcd51afdfb7eb58016fc5775cb SHA-256: 2dfe691dfc9efdb77251b3e765e4a912505257137b643eb4cad878442b589f10

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link that redirects to a known malicious domain, ttraff.com, disguised with a keyword relevant to the document's apparent topic. The PDF also contains a large number of embedded links, many pointing to Shopify domains, suggesting a link farm or SEO manipulation tactic to distribute malicious content. The ML classifier strongly flagged this PDF as malicious.

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=engineering+drawing+beginners+pdf
- http://files.portalresearch.org/uploads/1/3/1/3/131380600/zozimosutevazux_sipusupofegez_vugenusilofakov.pdf
- http://files.savorfoods.ca/uploads/1/3/1/4/131438155/3334887.pdf
- http://files.suelacy.com/uploads/1/3/2/7/132712006/sepeta_levojaso.pdf
- http://files.knapplandscapearchitecture.com/uploads/1/3/1/4/131453124/2214020.pdf
- https://cdn.shopify.com/s/files/1/0433/5419/4085/files/todimejofinused.pdf
- https://cdn.shopify.com/s/files/1/0430/7881/1797/files/fajamerelefudesilalase.pdf
- https://cdn.shopify.com/s/files/1/0433/5602/9093/files/bodolakonuwefotizisanimep.pdf
- https://cdn.shopify.com/s/files/1/0430/5698/8317/files/cuento_de_caperucita_roja_ilustrado_corto.pdf
- https://cdn.shopify.com/s/files/1/0430/0213/4681/files/visolusukalar.pdf
- https://cdn.shopify.com/s/files/1/0430/5669/3397/files/28134495245.pdf
- https://cdn.shopify.com/s/files/1/0431/4539/6386/files/luxumejibakekited.pdf
- https://cdn.shopify.com/s/files/1/0434/4047/2229/files/modevotajigo.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/1028728638.pdf
- https://cdn.shopify.com/s/files/1/0431/7013/6218/files/butar.pdf
- https://cdn.shopify.com/s/files/1/0435/0954/7174/files/renironipuwoguxe.pdf
- https://cdn.shopify.com/s/files/1/0431/8153/9483/files/20486266982.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.

Filename	Kind	Source	Size
`font_00_sfnt_off000067c1.bin` `cf079ad9fee6637d9822123be7888a8ad0c2785115582513eb8d152015cecbb4`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x67C1	4964 bytes
`font_01_sfnt_off000078aa.bin` `a6ddf7e1a2c0857b88f95647c1a72ae45b9e976dc1088e37233d8277da53f878`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x78AA	9924 bytes
`font_02_sfnt_off00009a92.bin` `0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9A92	4324 bytes

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