PDF malware analysis — malicious · 396862eb05c9ab5b

MALICIOUS

PDF

40.9 KB Created: 2020-08-01 16:55:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 64b4f4cca95f99c0aa9af601529c60a8 SHA-1: 925966bc68c26662de197d4fae099e5a1dd812cc SHA-256: 396862eb05c9ab5b6bb6c0cd3a29e1abd1b282c30f4eede9c8905491fd879f49

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains numerous embedded links, forming a link farm. One of these links directs to a known malicious redirector at 'https://ttraff.ru/pify?keyword=%25D0%25B7%25D1%2580%25D0%25B5%25D0%25BB%25D1%258B%25D0%25B5+%25D0%25B2+%25D0%25BF%25D0%25BE%25D1%2580%25D0%25BD%25D0%25BE+%25D0%25B2%25D0%25BA+merengo', indicating a malicious intent to redirect users to harmful content. The presence of a large number of external PDF links suggests a tactic to distribute malware or phishing content through a network of hosted 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.ru/pify?keyword=%25D0%25B7%25D1%2580%25D0%25B5%25D0%25BB%25D1%258B%25D0%25B5+%25D0%25B2+%25D0%25BF%25D0%25BE%25D1%2580%25D0%25BD%25D0%25BE+%25D0%25B2%25D0%25BA+merengo
- http://files.losangelescountyfirefightersemeraldsociety.com/uploads/1/3/2/6/132681544/refesotodopur_gedapobesa.pdf
- http://files.thecurvymom.com/uploads/1/3/0/8/130874139/tazowugubavebapefa.pdf
- http://files.biogeographyresearchlab.net/uploads/1/3/0/9/130970004/46645a06d3175.pdf
- http://files.ptgtrainingllc.com/uploads/1/3/1/4/131406797/c837b5778b4.pdf
- https://cdn.shopify.com/s/files/1/0429/9928/3863/files/21927705681.pdf
- https://cdn.shopify.com/s/files/1/0437/4659/0872/files/xitebajasavu.pdf
- https://cdn.shopify.com/s/files/1/0435/2029/5064/files/83510705459.pdf
- https://cdn.shopify.com/s/files/1/0428/8570/9987/files/kozumarividebelaluwofive.pdf
- https://cdn.shopify.com/s/files/1/0437/4478/8634/files/ginopu.pdf
- https://cdn.shopify.com/s/files/1/0431/8615/9767/files/94681728876.pdf
- https://cdn.shopify.com/s/files/1/0431/7567/4012/files/95107760848.pdf
- https://cdn.shopify.com/s/files/1/0437/7686/8510/files/xuduxukonedo.pdf
- https://cdn.shopify.com/s/files/1/0434/5082/6905/files/54729723327.pdf
- https://cdn.shopify.com/s/files/1/0430/4519/1841/files/36513824582.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_off00004cf1.bin` `138bb808c995ce843fea6ebd1b30a5a549a4bd817e3d0cad1a5259a9ccda5de2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4CF1	5212 bytes
`font_01_sfnt_off00005de2.bin` `2dde1345873f1cf696b4d9a2d825d74b0f81eb437c6315bbc6d0bbe39152ae13`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5DE2	12808 bytes
`font_02_sfnt_off00008629.bin` `a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8629	4324 bytes

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