MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, with one specifically pointing to a known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text that appears to be a lure for "Marriott brand standards pdf". The presence of numerous external PDF links, many hosted on Shopify, suggests a link farm designed to obscure the ultimate destination. The ML classifier also strongly indicated maliciousness.
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=marriott+brand+standards+pdf
- http://files.wholesaleabundancesoaps.com/uploads/1/3/1/8/131856205/7563649.pdf
- http://files.myelegantmarriage.com/uploads/1/3/1/6/131606819/lijukudamina.pdf
- http://ximirelil.jacquevilmainmusic.com/uploads/1/3/1/3/131384429/puvoxogagiso_vilube.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0436/5352/9753/files/39048597844.pdf
- https://cdn.shopify.com/s/files/1/0434/1425/7815/files/87682361614.pdf
- https://cdn.shopify.com/s/files/1/0429/9387/7145/files/cours_anglais_technique.pdf
- https://cdn.shopify.com/s/files/1/0441/3777/5256/files/powosujepoze.pdf
- https://cdn.shopify.com/s/files/1/0428/3092/1895/files/70184856683.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vozazugimutiwobawaxuleg.pdf
- https://cdn.shopify.com/s/files/1/0431/0745/1042/files/13208658218.pdf
- https://cdn.shopify.com/s/files/1/0433/7179/0486/files/tamifupipulazojexum.pdf
- https://cdn.shopify.com/s/files/1/0431/7547/7405/files/7880948776.pdf
- https://cdn.shopify.com/s/files/1/0434/2287/5797/files/dedovunow.pdf
- https://cdn.shopify.com/s/files/1/0440/3272/1046/files/semenemudejogo.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_off00005276.bin33f4441da5d6563d8667ee20e3e745fdf0e207803088dfffad3c18276166c59e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5276 | 5148 bytes |
font_01_sfnt_off0000640a.bin7b4797c31bd43bd78b7703d9f40574b93b140ac99d4db16aaa9635c6f8f79f65 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x640A | 10524 bytes |
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