MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link to a redirector service, which is a common technique for distributing malware or leading users to phishing sites. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms this behavior. The document body, though heavily obfuscated, contains the text 'Coaguchek xs plus user manual uk' and the malicious URL, suggesting a lure to disguise the malicious link. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne 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/wb?keyword=coaguchek%20xs%20plus%20user%20manual%20uk
- http://fezani.pcduuma.com/uploads/1/3/0/7/130775350/97d4bd8.pdf
- http://wonesefi.faysoriginals.net/uploads/1/3/1/3/131380600/1cb9d2cab.pdf
- http://files.maxtaxw2.com/uploads/1/3/1/3/131384429/0b01966688224e.pdf
- http://files.lambertvilleumc.org/uploads/1/3/2/6/132695438/lodun.pdf
- https://cdn.shopify.com/s/files/1/0437/1090/6518/files/48214438282.pdf
- https://cdn.shopify.com/s/files/1/0429/7107/0617/files/guxuxowupetizisisamebeve.pdf
- https://cdn.shopify.com/s/files/1/0431/6508/9941/files/matchbox_20_push.pdf
- https://cdn.shopify.com/s/files/1/0433/2149/1621/files/18640569131.pdf
- https://cdn.shopify.com/s/files/1/0437/6975/7850/files/kedabafigelu.pdf
- https://cdn.shopify.com/s/files/1/0432/3265/7575/files/82512781482.pdf
- https://cdn.shopify.com/s/files/1/0431/8917/4432/files/97112473910.pdf
- https://cdn.shopify.com/s/files/1/0430/2585/8714/files/godurujirigisesotowawa.pdf
- https://cdn.shopify.com/s/files/1/0431/4949/2384/files/36284695663.pdf
- https://cdn.shopify.com/s/files/1/0431/4536/3610/files/zusilezojirer.pdf
- https://cdn.shopify.com/s/files/1/0433/0897/4235/files/69497588504.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_off00004e68.bincb6deb6462c8909143610040ff9dc172e471c87980fc6d44ada20e7b55429ea7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4E68 | 5384 bytes |
font_01_sfnt_off00006096.binbbd6c4587a45b95136c67f4440bfbf8ea55f9e2eeb5a45ab0965f442521682c8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6096 | 9968 bytes |
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