PDF malware analysis — malicious · 924ee829c60301b7

MALICIOUS

PDF

41.3 KB Created: 2020-08-01 06:09:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 524d3d1a480321f4cc68c86af2f6891d SHA-1: 008156c0e1a914be62031d30488066e50be5a0cb SHA-256: 924ee829c60301b786405ffabb7e8af47ebd081cd6d2efbaed01e8130928611a

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 a critical heuristic firing indicating a link to known malicious redirector infrastructure. Another critical heuristic identified a PDF link farm, suggesting an attempt to artificially inflate search engine rankings or distribute malicious content. The primary malicious URL identified is https://ttraff.ru/pify?keyword=minecraft+advent+calendar, which is likely used for phishing or malware delivery. The document body contains garbled text but includes the malicious URL and several other Shopify-hosted PDF links.

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=minecraft+advent+calendar
- http://files.nancyhamiltonfilm.com/uploads/1/3/2/6/132681378/paxukagaxukavikubip.pdf
- http://files.craftedtokeep.com/uploads/1/3/1/1/131163610/fowadejukeneru.pdf
- http://files.mostholyredeemer.org/uploads/1/3/0/8/130874055/zukugopuwabipun_tivezod_rixomubovadel.pdf
- http://files.youniqueeventdesigns.com/uploads/1/3/1/8/131871414/4059920.pdf
- https://cdn.shopify.com/s/files/1/0439/1682/0635/files/96433981063.pdf
- https://cdn.shopify.com/s/files/1/0434/5603/7016/files/vogisewurosifimuxoj.pdf
- https://cdn.shopify.com/s/files/1/0437/0654/8377/files/matlab_cube_root.pdf
- https://cdn.shopify.com/s/files/1/0431/0528/8352/files/7948437456.pdf
- https://cdn.shopify.com/s/files/1/0427/8976/5279/files/53691302110.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/botolewapaniwid.pdf
- https://cdn.shopify.com/s/files/1/0429/1241/5897/files/xulosopofegutonuruma.pdf
- https://cdn.shopify.com/s/files/1/0432/8423/4398/files/nutuvokowiluj.pdf
- https://cdn.shopify.com/s/files/1/0433/6248/4383/files/nobid.pdf
- https://cdn.shopify.com/s/files/1/0430/9463/8749/files/72134690385.pdf
- https://cdn.shopify.com/s/files/1/0434/8346/3832/files/murimewubinogumejidugebul.pdf
- https://cdn.shopify.com/s/files/1/0437/4167/5685/files/juzif.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_off00006359.bin` `a48cae62b4e07c8e94143086dc60226fc95bcfbe172a135fba6800e299914534`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6359	4900 bytes
`font_01_sfnt_off0000742a.bin` `9531a2e56cf9994223f6a14e52da601418968c44506bf4fc3f3007bb3538123a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x742A	10660 bytes

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