MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, with one specifically pointing to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains a URL that appears to be the primary lure, likely leading to a phishing page or further malware. The presence of many external PDF links suggests a link farm or SEO poisoning attempt to distribute malicious content.
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/wix?keyword=revista+h+septiembre+2016
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/5225/2829/files/73967294501.pdf
- https://cdn.shopify.com/s/files/1/0431/5840/5275/files/21034740286.pdf
- https://cdn.shopify.com/s/files/1/0432/7643/5612/files/zowimizefulumevurejore.pdf
- https://cdn.shopify.com/s/files/1/0429/0255/2742/files/curso_de_introduo_a_economia_poltica.pdf
- https://cdn.shopify.com/s/files/1/0433/4931/1646/files/kitodiretivu.pdf
- https://cdn.shopify.com/s/files/1/0428/1093/3414/files/10204344983.pdf
- https://cdn.shopify.com/s/files/1/0434/8615/0816/files/kebiw.pdf
- https://cdn.shopify.com/s/files/1/0439/2163/7544/files/android_led_detroit_become_human_cosplay.pdf
- https://cdn.shopify.com/s/files/1/0433/8617/5651/files/xoxeketosexofaxefuwomu.pdf
- https://cdn.shopify.com/s/files/1/0447/6495/4775/files/create_root_certificate.pdf
- https://cdn.shopify.com/s/files/1/0429/2198/4166/files/defafojapusakolus.pdf
- https://cdn.shopify.com/s/files/1/0432/8125/2512/files/76126631331.pdf
- https://cdn.shopify.com/s/files/1/0434/1694/4807/files/67791865796.pdf
- https://static.usrfiles.com/ugd/98e298_35d84c6e6a784fbdaff9769af9e0a2be.pdf
- https://static.usrfiles.com/ugd/b8c837_5f8021d585d54564b8246edea1919694.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_off00004e32.bindbc8db5856cf8962e36e00450ea7b750192748defa0fd7037c540712668c2e83 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4E32 | 5716 bytes |
font_01_sfnt_off00006185.binf0d31ceedfcfed3cc467c886cf209c02c0b2ba9d8ea842ce45499e7752761e8a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6185 | 14672 bytes |
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