MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to suspicious domains with numeric slugs, suggesting a link farm or SEO poisoning tactic. The ML classifier strongly indicated maliciousness, and the presence of numerous external links is a common lure for phishing or malware distribution. No scripts were extracted, but the sheer volume of external links is the primary indicator of malicious intent.
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://tnknutson.com/uploads/1/3/0/8/130815482/130815482.html#church+membership+class+pdf PDF link annotation
- http://geekswithdice.com/uploads/1/3/0/5/130546415/6310940.pdfIn PDF document text
- http://chrisfindlaybooks.com/uploads/1/3/0/2/130291635/9d24c31d5c5b8.pdfIn PDF document text
- http://pjdtranslations.com/uploads/1/3/0/6/130605452/80ac17.pdfIn PDF document text
- http://ivyfoxfashion.xyz/uploads/1/3/1/3/131383864/fojodisas.pdfIn PDF document text
- http://jackmarcin.com/uploads/1/3/0/7/130740092/9b701c34.pdfIn PDF document text
- http://viennarooms.com/uploads/1/3/1/6/131606951/desevexizar.pdfIn PDF document text
- http://thenakedwrist.com/uploads/1/3/0/7/130775622/dufitakanewedib-vovovusavax-wojoxo.pdfIn PDF document text
- http://manuelaferretti.ch/uploads/1/3/0/6/130604141/duzibodeli.pdfIn PDF document text
- http://fangqiwen.com/uploads/1/3/0/3/130323733/8552301.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000539e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x539E | 5144 bytes |
SHA-256: 5db88f941f7b3420077bc887e0df33336fc1c7c29b4e5195e8fd10202149ee51 |
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font_01_sfnt_off0000650b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x650B | 10364 bytes |
SHA-256: 634af626f493689e2e03cb6276feb79c64945abddbce281105c310b0a4aba43a |
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