PDF malware analysis — malicious · acc925521446ff1c

MALICIOUS

PDF

36.3 KB Created: 2020-08-10 11:26:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: bf370b7600f68f6fca83387069ce2fd8 SHA-1: fa40d5482116c63da87a28693ec45930aeaaf3a2 SHA-256: acc925521446ff1cdfaf90e26d50a04a4cf85dcf041ae5e391aba6378d284dba

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a link farm designed to mimic search results, directing users to a malicious redirector. The primary malicious URL identified is https://ttraff.com/pify?keyword=catalogo+hinode+2020+pdf+ciclo+4. This suggests a phishing or malware distribution attempt disguised as a catalog. No scripts were extracted, limiting the analysis of direct payload execution.

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=catalogo+hinode+2020+pdf+ciclo+4
- http://betefuge.sandfieldparkschool.com/uploads/1/3/1/4/131407406/xumivixe.pdf
- http://files.hoolahoopgreetings.com/uploads/1/3/0/7/130739533/3199986.pdf
- http://files.cconsultingsa.com/uploads/1/3/0/8/130815726/69d7be8fd.pdf
- http://files.arsenalmarketingstrategies.com/uploads/1/3/1/6/131637108/b47a0ea.pdf
- http://files.stevenhendricks.net/uploads/1/3/1/8/131857193/d1c2d6b9d5.pdf
- https://cdn.shopify.com/s/files/1/0439/8150/4670/files/algebra_formulas_for_class_7.pdf
- https://cdn.shopify.com/s/files/1/0433/7739/3815/files/52312863016.pdf
- https://cdn.shopify.com/s/files/1/0437/5288/2330/files/tonedubovijorisalup.pdf
- https://cdn.shopify.com/s/files/1/0429/9620/3679/files/22994027226.pdf
- https://cdn.shopify.com/s/files/1/0437/1746/0120/files/xosoxat.pdf
- https://cdn.shopify.com/s/files/1/0427/6482/8838/files/61768684582.pdf
- https://cdn.shopify.com/s/files/1/0432/9334/3899/files/muvitexim.pdf
- https://cdn.shopify.com/s/files/1/0433/7231/4778/files/45762438872.pdf
- https://cdn.shopify.com/s/files/1/0436/9675/0746/files/falibam.pdf
- https://cdn.shopify.com/s/files/1/0433/3505/7566/files/67420273050.pdf
- https://cdn.shopify.com/s/files/1/0432/3291/9720/files/92359266167.pdf
- https://cdn.shopify.com/s/files/1/0437/7794/9848/files/types_of_centrifugal_casting.pdf
- https://cdn.shopify.com/s/files/1/0430/7081/6407/files/folutawomileza.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_off00004dae.bin` `56fe5cc7f20a6f404e50e6a0bffe8e1d7be096cf9252c74e210b33abe48315fc`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4DAE	5412 bytes
`font_01_sfnt_off00006015.bin` `b1e6a4cb9255919269875631568756ae876d603ebfca416974123526382422f2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6015	10556 bytes

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