PDF malware analysis — malicious · 44d42b23f42014d5

MALICIOUS

PDF

40.8 KB Created: 2020-08-24 07:43:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 822c88439b9c040511ca820c6b829188 SHA-1: d299ca9bea129697124802b122e0bd74dc553dc2 SHA-256: 44d42b23f42014d5807e2aa083ef1a5cfc9f5aca8802cbd9f2db51b93cbfc56e

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body text, though heavily obfuscated, contains keywords related to Android app downloads, suggesting a lure. The primary malicious URL is ttraff.ru, which is used to redirect users to potentially harmful content, likely a phishing page or malware download.

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=android+p+google+play+services+apk
- http://dulujoguj.udaratherapy.com/uploads/1/3/1/6/131637309/85f80f19e3c5.pdf
- http://satan.makingscentsofsoy.com/uploads/1/3/1/3/131384240/3764252.pdf
- http://files.michellentherapy.com/uploads/1/3/1/4/131407901/6743438.pdf
- http://mabek.1stusinfantry.com/uploads/1/3/2/6/132695569/limuzisununovaso.pdf
- https://cdn.shopify.com/s/files/1/0430/3667/2162/files/vodofevisusisesi.pdf
- https://cdn.shopify.com/s/files/1/0431/1551/1968/files/1996_mercury_sable_repair_manual.pdf
- https://cdn.shopify.com/s/files/1/0439/2553/6936/files/ps_vita_ftp.pdf
- https://cdn.shopify.com/s/files/1/0435/6653/0728/files/derosikoriguri.pdf
- https://cdn.shopify.com/s/files/1/0433/6749/7880/files/40028387725.pdf
- https://cdn.shopify.com/s/files/1/0436/2177/7570/files/759083210.pdf
- https://cdn.shopify.com/s/files/1/0434/1576/5153/files/16701610187.pdf
- https://cdn.shopify.com/s/files/1/0436/0781/8398/files/puguginu.pdf
- https://cdn.shopify.com/s/files/1/0437/2335/8358/files/51254754522.pdf
- https://cdn.shopify.com/s/files/1/0431/8268/6367/files/supply_chain_management_strategy_planning_and_operation_chopra.pdf
- https://cdn.shopify.com/s/files/1/0462/2109/9162/files/sepsetentas_libros.pdf
- https://cdn.shopify.com/s/files/1/0433/4885/2904/files/libro_de_biomagnetismo_medico.pdf
- https://cdn.shopify.com/s/files/1/0433/6533/5208/files/vulosow.pdf
- https://cdn.shopify.com/s/files/1/0430/7465/0261/files/89128435285.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_off00005ffd.bin` `369ce1523237e8f4132dfdbde3ab9f664bb0fbfa7ddd5b7ddd6710b49679fa5e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5FFD	5456 bytes
`font_01_sfnt_off000072a1.bin` `33da4b875437a998053e72fc500e9af265839398f5396381561bed723a2b4d19`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x72A1	10396 bytes

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