MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many of which point to other PDFs hosted on similar domains. The document body and heuristics indicate a lure for a password-protected archive, likely to bypass security controls. The primary intent appears to be directing the user to download a malicious archive, which is then likely protected by a password hinted at in the document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 5
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://chewoncakes.com/uploads/1/3/0/7/130740589/130740589.html#remove+forgotten+password+from+excel+2010+worksheet PDF link annotation
- http://dusthunters.biz/uploads/1/3/0/7/130776511/8bcda.pdfIn PDF document text
- http://larucciinformation.com/uploads/1/3/0/3/130323491/kosobireme.pdfIn PDF document text
- http://gentleman-door.com/uploads/1/3/0/6/130620752/puvamap.pdfIn PDF document text
- http://acadianarefinishing.com/uploads/1/3/0/2/130270823/tababagox_gebukasusulixu.pdfIn PDF document text
- http://brandonericksonlaw.com/uploads/1/3/1/3/131380504/8b5e2a6d6d3.pdfIn PDF document text
- http://gandgpropety.com/uploads/1/3/0/6/130639032/fejamomipigutog.pdfIn PDF document text
- http://casecatalysttraining.com/uploads/1/3/1/4/131483005/wikawarofurepigul.pdfIn PDF document text
- http://martincphotography.com/uploads/1/3/0/8/130874265/046274613.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 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006154.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6154 | 10812 bytes |
SHA-256: 8033657dfcdfe6106cda02db8cdb7be2816ea0f48459d67d020a0f3b7813dad4 |
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