PDF malware analysis — malicious · f551aeb5184d2639

MALICIOUS

PDF

46.6 KB Created: 2020-08-06 01:02:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: bcf62f2e08ac46d9861577e60a00453e SHA-1: c73be38e0d5c852f6b5ec8a368edde4476efa9e5 SHA-256: f551aeb5184d2639668be3a9320bbf7040c48b6b58b613e4eb280fa5ace4e43e

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF was flagged for containing a large number of external links, many of which point to a redirector service. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=sensory+play+research+pdf', which is a known malicious redirector. This suggests the document is designed to lure users to malicious sites, likely for phishing or malware delivery.

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=sensory+play+research+pdf
- http://files.barbaraminorenamels.com/uploads/1/3/0/9/130969237/beposogixo.pdf
- http://files.jobolyn.com/uploads/1/3/1/3/131380279/lovawojomajakijegi.pdf
- http://files.baretablecatering.com/uploads/1/3/0/8/130873927/vefofalasalewu_tofufa.pdf
- http://files.multiaxis.llc/uploads/1/3/1/3/131379833/7645092.pdf
- http://files.firstaidforall.org/uploads/1/3/1/6/131606121/fipigukedi.pdf
- https://cdn.shopify.com/s/files/1/0432/2741/4696/files/nesexeranesemes.pdf
- https://cdn.shopify.com/s/files/1/0431/4690/3709/files/sonezakupasesebisasu.pdf
- https://cdn.shopify.com/s/files/1/0433/7677/1224/files/vozafir.pdf
- https://cdn.shopify.com/s/files/1/0429/2454/0071/files/rojefolusoxivawezubu.pdf
- https://cdn.shopify.com/s/files/1/0429/2729/2582/files/81771213788.pdf
- https://cdn.shopify.com/s/files/1/0430/5698/8317/files/90479190423.pdf
- https://cdn.shopify.com/s/files/1/0434/1828/8277/files/pomalijudukel.pdf
- https://cdn.shopify.com/s/files/1/0431/0482/9602/files/gajadebamul.pdf
- https://cdn.shopify.com/s/files/1/0428/9685/1111/files/64180177398.pdf
- https://cdn.shopify.com/s/files/1/0431/0820/4708/files/25568709530.pdf
- https://cdn.shopify.com/s/files/1/0432/4671/5040/files/16503343233.pdf
- https://cdn.shopify.com/s/files/1/0432/7833/6165/files/fumipagexe.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_off00006b9c.bin` `e3e01cab2432288ad89a01a6957fd4c9805f6ee91717cb4dbfb8361b31569e46`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6B9C	5108 bytes
`font_01_sfnt_off00007ce2.bin` `df2cbd2dae731cec53b6f74adbfc06886cc4ed6cbd7d5ad17b4c391546a3caf3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7CE2	10064 bytes
`font_02_sfnt_off00009f0c.bin` `05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9F0C	4324 bytes

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