MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to benign Shopify URLs, but one critical link directs to a known malicious redirector. The ML classifier strongly flagged this PDF as malicious. The document body contains obfuscated text and a URL that likely serves as a lure to a malicious site.
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/pify?keyword=alvin+and+the+chipmunks+1983
- http://files.bullengarookadultriders.com/uploads/1/3/2/6/132681596/fomapofegaro-wopigadazodup-zevevamer-tirexilagenizo.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0450/1274/6390/files/verb_tenses_worksheets_with_answers.pdf
- https://cdn.shopify.com/s/files/1/0431/2121/3591/files/13512259100.pdf
- https://cdn.shopify.com/s/files/1/0447/0718/4793/files/caida_del_imperio_romano_de_occidente_causas_y_consecuencias.pdf
- https://cdn.shopify.com/s/files/1/0428/8859/3567/files/xonojevipofanigubamodu.pdf
- https://cdn.shopify.com/s/files/1/0434/6734/1981/files/79487483786.pdf
- https://cdn.shopify.com/s/files/1/0434/5056/4773/files/40949476188.pdf
- https://cdn.shopify.com/s/files/1/0437/5373/4298/files/aptitude_and_reasoning_book_for_gate.pdf
- https://cdn.shopify.com/s/files/1/0437/9190/9025/files/62690799058.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/sakemiribukewud.pdf
- https://cdn.shopify.com/s/files/1/0431/6820/2901/files/21433018246.pdf
- https://cdn.shopify.com/s/files/1/0428/7732/1379/files/60129653337.pdf
- https://cdn.shopify.com/s/files/1/0431/6354/9845/files/kuwapojevagunigusanixalip.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_off00006d5b.bina026fb2c2ed1804ac78c7b0f0b68ae4566b625cc6064f973944254c45813561c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D5B | 5896 bytes |
font_01_sfnt_off00008146.binac83b73fbcfbd5516962b58641c2a5ecf436e7a7cf8e739d41852a791426297a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8146 | 13504 bytes |
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