MALICIOUS
94
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of external links, many of which point to similarly structured URLs on different domains. The document body, though partially corrupted, contains a lure related to changing a thermostat battery and references the wkhtmltopdf tool, suggesting it was generated programmatically. The PDF_SEO_LINK_FARM heuristic indicates a deliberate attempt to create a link farm, likely for SEO manipulation or to host malicious content. The ML classifier strongly flagged this PDF as malicious.
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://74-123-77-223.mgwnet.com/uploads/1/3/1/3/131380786/131380786.html#how+to+change+battery+on+a+honeywell+thermostat
- http://fundacjawawer.org/uploads/1/3/0/7/130739012/7178029.pdf
- http://everydaychristianity.org/uploads/1/3/0/6/130621841/nibod.pdf
- http://ifcava.info/uploads/1/3/0/5/130589243/xokedixe.pdf
- http://ravenbeakfarm.com/uploads/1/3/0/3/130323407/7621413.pdf
- http://sixstreetsartstrail.co.uk/uploads/1/3/1/3/131380616/9988720.pdf
- http://springsfbc.org/uploads/1/3/0/4/130483400/4057093.pdf
- http://kelbels.org/uploads/1/3/0/8/130814279/tevozef.pdf
- http://memoryamerica.net/uploads/1/3/0/4/130488914/311053.pdf
- http://irarifkin.com/uploads/1/3/0/5/130551543/c1f8700e40c77.pdf
- http://lmpparalegalservices.com/uploads/1/3/0/2/130270798/be54651fe2664.pdf
- http://oregonizdlovingtoday.com/uploads/1/3/0/6/130620863/wutub_bevif_fopugigiwif_kuvimod.pdf
- http://edmsm.com/uploads/1/3/1/1/131164077/lepojezabu_xovise_mewobulesus_kekuvuluvet.pdf
- http://heatherweddings.com/uploads/1/3/0/2/130289458/3293276.pdf
- http://loanpeople.net/uploads/1/3/0/7/130739449/lijimeg.pdf
- http://cassandraperkins.info/uploads/1/3/0/2/130289339/e7c9b5.pdf
- http://mscbmx.com/uploads/1/3/0/6/130620836/9717556.pdf
- http://toykingdom.org/uploads/1/3/0/6/130639571/1587288.pdf
- http://yyzpreview.com/uploads/1/3/0/2/130289670/tomodanawirobatujifu.pdf
- http://asedonaweddingforyou.com/uploads/1/3/0/2/130272609/xuvubumurug_befitofavupebed_duxuvekamuru_zowejuwedolo.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/
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006bc9.bin685171f52ab53f56ca6c954efeb0d126c22cb27ef8ea0f5910cb8c3e9f024686 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BC9 | 7196 bytes |
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