PDF malware analysis — malicious · b0053412968b4510

MALICIOUS

PDF

39.3 KB Created: 2020-08-08 10:39:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 9f65acd51a1128db9c61a12a01de60c0 SHA-1: 779ddeadfa8adf39d1552854616a56d89618485c SHA-256: b0053412968b4510efa97307311f63f4e1c969c79ac073e8b2c7fa14beb15a88

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains multiple embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to a guitar tab and the URL itself, suggesting a lure. The presence of a PDF_MALICIOUS_REDIRECTOR_LINK heuristic firing confirms the malicious intent of the embedded URL. The PDF_SEO_LINK_FARM heuristic indicates a large number of outbound links, many hosted on Shopify, likely for SEO manipulation or to obscure the true destination.

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=suspicious+minds+guitar+tab+pdf
- http://fisuk.westminsterprez.com/uploads/1/3/1/3/131398591/6983b0.pdf
- http://files.thehorshamkitchencompany.co.uk/uploads/1/3/0/7/130738513/4de4ed95d5819.pdf
- http://files.olaarte.com/uploads/1/3/1/8/131856636/7233203.pdf
- https://cdn.shopify.com/s/files/1/0431/6200/9760/files/wivofev.pdf
- https://cdn.shopify.com/s/files/1/0440/8374/0822/files/67822026316.pdf
- https://cdn.shopify.com/s/files/1/0435/2039/3380/files/basic_acoustic_guitar_chords.pdf
- https://cdn.shopify.com/s/files/1/0436/3993/1033/files/bifupomosibubi.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zekimopesafirizaxos.pdf
- https://cdn.shopify.com/s/files/1/0428/4016/2467/files/zufodetati.pdf
- https://cdn.shopify.com/s/files/1/0433/5684/8282/files/instrumentation_engineering_free_download.pdf
- https://cdn.shopify.com/s/files/1/0428/5969/2198/files/55963673695.pdf
- https://cdn.shopify.com/s/files/1/0431/0342/0570/files/54619212049.pdf
- https://cdn.shopify.com/s/files/1/0433/1523/2923/files/1449867798.pdf
- https://cdn.shopify.com/s/files/1/0433/7198/7098/files/paste_shortcut_windows.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_off00004dd3.bin` `394f6aaecd5ac23531010e569efce57727c21a1c9270267723d92c3a3b372eeb`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4DD3	5452 bytes
`font_01_sfnt_off00006026.bin` `976d64227448109356f8b2bc4900f2632a82e5d1c29b87ee6971636263933375`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6026	9980 bytes
`font_02_sfnt_off00008253.bin` `b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8253	4324 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.