MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass external link farm, with the primary link pointing to a known malicious redirector. The document body, though obfuscated, contains the URL that is also present in the heuristics, suggesting a lure to click on the link for 'architecture diagram of 8086 microprocessor pdf'. The ML classifier strongly indicates maliciousness. No scripts were extracted from this sample.
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.com/pify?keyword=architecture+diagram+of+8086+microprocessor+pdf
- http://gelimifo.permezone.com/uploads/1/3/0/8/130813765/pemurimot.pdf
- http://files.interdisciplinaryexchanges.org/uploads/1/3/1/4/131453559/bc4a72e97481.pdf
- http://files.suwastikanaidu.com/uploads/1/3/1/4/131437750/kojumosudigikenaz.pdf
- https://cdn.shopify.com/s/files/1/0432/5575/9011/files/50852554604.pdf
- https://cdn.shopify.com/s/files/1/0437/1690/3080/files/75870930132.pdf
- https://cdn.shopify.com/s/files/1/0431/4916/4698/files/dozajamilefepo.pdf
- https://cdn.shopify.com/s/files/1/0428/4396/3548/files/38951936184.pdf
- https://cdn.shopify.com/s/files/1/0430/4211/1650/files/buzutitofajosamavawoviza.pdf
- https://cdn.shopify.com/s/files/1/0434/6268/8918/files/77602515902.pdf
- https://cdn.shopify.com/s/files/1/0432/8944/4510/files/sivow.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nazowexoratusitufunu.pdf
- https://cdn.shopify.com/s/files/1/0430/3483/7149/files/.pdf
- https://cdn.shopify.com/s/files/1/0439/5696/1438/files/ramunaforunebixupamomeso.pdf
- https://cdn.shopify.com/s/files/1/0435/0207/6070/files/ingobernable_netflix._webrip_trollhd.pdf
- https://cdn.shopify.com/s/files/1/0435/2363/7402/files/momipexifefa.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_off00006a00.binb1b973f1fd0b58906ee394963fccb1bfca046535ee903d52033c9b6b45ac3b3f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A00 | 6016 bytes |
font_01_sfnt_off00007e4d.binb9c4a3433b98ac8abec68d4164ec0e93b1a412dd0e87dc9f3f873abd1cc9b4de |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E4D | 12976 bytes |
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