MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, including one to a known malicious redirector, suggesting a link farm or SEO poisoning attack. The document body text and embedded URLs indicate a lure to download a 'pharmacology book PDF', which likely leads to malicious content or further compromise. The ML classifier strongly supports the malicious verdict.
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.ru/wb?keyword=pharmakologie%20buch%20pdf%20frei
- http://files.nationalduals.org/uploads/1/3/0/7/130740183/rowebi_newefirigo_wevuzadi.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0439/4467/3448/files/50425184194.pdf
- https://cdn.shopify.com/s/files/1/0435/7115/1007/files/calligrammes_guillaume_apollinaire.pdf
- https://cdn.shopify.com/s/files/1/0436/4386/3198/files/fosenonuvawanikifun.pdf
- https://cdn.shopify.com/s/files/1/0430/6888/3098/files/rejuwuxekewux.pdf
- https://cdn.shopify.com/s/files/1/0434/9257/3336/files/oakland_raiders_schedule_2020.pdf
- https://cdn.shopify.com/s/files/1/0433/7926/1590/files/71882252479.pdf
- https://cdn.shopify.com/s/files/1/0431/3884/2779/files/kajoxexakixemalunubafapu.pdf
- https://cdn.shopify.com/s/files/1/0431/2314/6906/files/26775609353.pdf
- https://cdn.shopify.com/s/files/1/0432/1024/4256/files/aarti_sangrah_marathi.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/53059057271.pdf
- https://cdn.shopify.com/s/files/1/0434/3146/1016/files/joxowitoj.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d177.binb82c6c00515dcc19a28e9623ca0a50a438c7689ced7ab5540b5efdbc484d536c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD177 | 5596 bytes |
font_01_sfnt_off0000e451.bind58f0990e78233e2532acab153c9e3bca13a48d0d492ac3b2e52ea47f36e5072 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE451 | 14868 bytes |
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