MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many pointing to Shopify domains with seemingly random filenames, suggesting a link farm or SEO poisoning attempt. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.ru/wb?keyword=concepto%20de%20eclecticismo%20pdf', indicating a malicious intent to redirect users to harmful content. The ML classifier also strongly flagged this PDF as malicious.
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=concepto%20de%20eclecticismo%20pdf
- http://files.shopivybloom.com/uploads/1/3/1/0/131070246/xifisumewalizibelari.pdf
- http://files.yunkawasiperu.org/uploads/1/3/1/3/131379612/vizarifogumawov.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/7279/0427/files/20119574527.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/32296476761.pdf
- https://cdn.shopify.com/s/files/1/0429/4079/2999/files/vepopuxiseduwafunogeretod.pdf
- https://cdn.shopify.com/s/files/1/0433/9616/9886/files/xuwukenopazon.pdf
- https://cdn.shopify.com/s/files/1/0433/4610/0392/files/xazokuzukawoboxiv.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/61086590007.pdf
- https://cdn.shopify.com/s/files/1/0430/7258/5888/files/5186287019.pdf
- https://cdn.shopify.com/s/files/1/0438/2585/6669/files/fodowarutobadu.pdf
- https://cdn.shopify.com/s/files/1/0431/3989/1357/files/weteposedekiku.pdf
- https://cdn.shopify.com/s/files/1/0451/9510/0311/files/medical_certificate_form_42.pdf
- https://cdn.shopify.com/s/files/1/0430/3428/0099/files/lubigemajubab.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_off00005a19.bin6aab53adb6483c85822d7ee85bc34f0b7057e427080773807fa8d52653e6f3d6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A19 | 4900 bytes |
font_01_sfnt_off00006ab4.bind3a5134584ea6e5ec91c23391d0f693d02b315fc33a308bcfc3226a06d73e6df |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AB4 | 10692 bytes |
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