PDF malware analysis — malicious · b9983ab47200849c

MALICIOUS

PDF

45.7 KB Created: 2020-08-09 16:26:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 997faf0f58ce01f30689eafea89e8856 SHA-1: 4cd7c47282aaa06772c5f0fe4150920f24488fd9 SHA-256: b9983ab47200849c92de8d4cabfaa13a84363ddb5cb03b827bfab2cba935cc2b

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF document was flagged by multiple critical heuristics for containing malicious redirector links and a large farm of external PDF links. The primary malicious URL identified is https://ttraff.cc/pify?keyword=zoetis+abaxis+pdf, which is likely used to redirect users to a malicious site. The document body contains obfuscated text and references to 'Zoetis abaxis pdf', suggesting a lure related to these entities. The presence of numerous Shopify-hosted PDF links, while some are confirmed benign, indicates a broad distribution or SEO-poisoning strategy.

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.cc/pify?keyword=zoetis+abaxis+pdf
- http://rugaraf.rabbitcustom.com/uploads/1/3/0/9/130969465/4523253.pdf
- http://lukis.bhlaco.com/uploads/1/3/0/8/130874474/vawozujidexasesi.pdf
- http://files.4bodyandsole.com/uploads/1/3/0/8/130874064/a30487e4a2.pdf
- http://files.hypnomads.com/uploads/1/3/1/3/131384573/badc8b2e909.pdf
- https://www.zoetisus.com/products/d
- https://cdn.shopify.com/s/files/1/0430/9159/1321/files/tazutifogemozepaw.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/bararilisubolubudikolumo.pdf
- https://cdn.shopify.com/s/files/1/0430/5806/9655/files/63005904435.pdf
- https://cdn.shopify.com/s/files/1/0431/2757/0596/files/kovidokelifibetup.pdf
- https://cdn.shopify.com/s/files/1/0433/6500/7509/files/xagetekokiwudesezakewaguw.pdf
- https://cdn.shopify.com/s/files/1/0430/3159/3113/files/jufabobojepofepusitikatuf.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/peregomosurexezobosezob.pdf
- https://cdn.shopify.com/s/files/1/0430/9565/4554/files/85275887230.pdf
- https://cdn.shopify.com/s/files/1/0427/6033/9623/files/34564446030.pdf
- https://cdn.shopify.com/s/files/1/0434/4401/1168/files/mabugiwezusufabagi.pdf
- https://cdn.shopify.com/s/files/1/0430/6268/9946/files/57049531284.pdf
- https://cdn.shopify.com/s/files/1/0430/0151/2090/files/fuzaviguroreliwidepewo.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_off0000742b.bin` `457c4fe28c0a6b64cb4cda633c1563c4e6de59eb86d9239cdc12d442eed0c9a9`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x742B	5072 bytes
`font_01_sfnt_off00008588.bin` `1a48c827626797a4e12d054c235101bd5acca7838a0b89e95cd1168a79a33cc8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8588	10872 bytes

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