MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of embedded external links, a technique often used for SEO spam or to distribute malicious payloads. The heuristic 'PDF_SEO_LINK_FARM' specifically flags this behavior, indicating a mass of external PDF links. The document body, though partially corrupted, contains a URL that is also present in the list of external links, reinforcing the malicious intent. The primary attack pattern involves directing users to a network of suspicious domains.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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External URI info PDF_URIPDF contains an external URL action
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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 http://host.creativedatainc.com/uploads/1/3/0/3/130313157/130313157.html#concepto+de+sistemas+economicos+yahoo PDF link annotation
- http://the50lb.com/uploads/1/3/0/5/130588799/1701453.pdfIn PDF document text
- http://thenailcandy.com/uploads/1/3/0/3/130323559/41a12d2d5.pdfIn PDF document text
- http://radikal4kidzinc.com/uploads/1/3/0/4/130476454/1726206.pdfIn PDF document text
- http://azimuts.org/uploads/1/3/0/5/130540116/926004.pdfIn PDF document text
- http://calprestige.com/uploads/1/3/1/3/131398108/b1bc619b.pdfIn PDF document text
- http://montanabushcraft.com/uploads/1/3/0/7/130739073/058ec9.pdfIn PDF document text
- http://mcworldtravel.com/uploads/1/3/1/3/131378850/4010989.pdfIn PDF document text
- http://voteforkumar.ca/uploads/1/3/0/6/130639397/d1ace9c9f3692f1.pdfIn PDF document text
- http://16-capital.com/uploads/1/3/0/2/130291624/7bf432d1.pdfIn PDF document text
- http://elitebodycontoursnw.com/uploads/1/3/0/7/130740610/zunoxudasogisu.pdfIn PDF document text
- http://esseci.info/uploads/1/3/0/4/130435777/9840f513f532.pdfIn PDF document text
- http://coachshreyas.com/uploads/1/3/0/3/130313274/gapezo.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007181.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7181 | 8172 bytes |
SHA-256: 5b1e9a000eac21e4f49a5a788e7b70f467d9e254912ca8da0193cdd85dd5ba68 |
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