MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious File
The PDF file contains a large number of external links, many of which point to other PDF files with numeric or book-like slugs on various domains. This pattern is indicative of a link farm or SEO abuse technique, likely intended to drive traffic or host malicious content. The ML classifier strongly supports the malicious verdict, and the PDF_SEO_LINK_FARM heuristic confirms the suspicious linking behavior.
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://annotalegal.com/uploads/1/3/0/5/130550838/130550838.html#deslocamento+de+equilibrio+quimico+resumo PDF link annotation
- http://casinopromotionconsultants.com/uploads/1/3/0/5/130540453/romav-lobon-lagisaf-kanajasup.pdfIn PDF document text
- http://matthew-s-williams.com/uploads/1/3/0/7/130776043/kudurinoto-larosuzetiz-buvividipon.pdfIn PDF document text
- http://bandobelts.ca/uploads/1/3/0/5/130550972/bukitezunazago.pdfIn PDF document text
- http://maturelady.vip/uploads/1/3/0/7/130739816/vogogowogekibevi.pdfIn PDF document text
- http://fixitrightcomputing.com/uploads/1/3/1/3/131382673/7143748.pdfIn PDF document text
- http://mail.funkythai2go.com/uploads/1/3/0/3/130323554/nanimibewowezeg.pdfIn PDF document text
- http://openclosetshops.com/uploads/1/3/0/5/130588509/348c74.pdfIn PDF document text
- http://supermakr.com/uploads/1/3/0/4/130476804/sabitukuxuxi.pdfIn PDF document text
- http://savannahcountertops.com/uploads/1/3/0/9/130969435/sonunonezi.pdfIn PDF document text
- http://judithjack.com/uploads/1/3/0/3/130323249/joligi.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
- https://fedoraproject.org/wiki/Licensing/LiberationFontLicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006727.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6727 | 9592 bytes |
SHA-256: 407e088a83fe73fd3d7a24df7332551d5b1a90560c47000da12adcceae2011bb |
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font_01_sfnt_off000086dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86DD | 2652 bytes |
SHA-256: e2f1373bf3d70a40ff4276a486f0a1d2d32154e4f45ad1243a44c3d3b7d91cea |
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