MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a large number of external links to other PDF files hosted on various domains. This behavior is indicative of a link farm or a mechanism to distribute malicious content. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious intent. The document body contains garbled text and metadata, but the primary malicious activity is the mass linking to external resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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://riversidecountyhistory.org/uploads/1/3/1/6/131637311/131637311.html#betamax+format+band
- http://paoffshore.com/uploads/1/3/1/6/131636744/3b2dd11d.pdf
- http://cancella.com/uploads/1/3/1/1/131163747/3751777.pdf
- http://stacicroomraley.com/uploads/1/3/0/6/130639495/dolofagegagedevix.pdf
- http://cuscuzetapioca.com/uploads/1/3/0/6/130605146/xikopeb.pdf
- http://autumnbasinger.com/uploads/1/3/1/4/131407818/bisiwolevamu.pdf
- http://ajakchinger.info/uploads/1/3/1/4/131438819/bisadimenege.pdf
- http://a2mconsultancy.com/uploads/1/3/0/5/130542902/4adf98757fdd4d9.pdf
- http://smalltalkchesco.com/uploads/1/3/1/8/131856173/7355139.pdf
- http://fairytalejourneysbyeve.com/uploads/1/3/1/4/131406744/8439b07a277b739.pdf
- http://luxhout.eu/uploads/1/3/0/7/130739196/zodiwivisafemozo.pdf
- http://campusbets.com/uploads/1/3/0/8/130813997/nixozoxobi_tepifom_neluzifaxa_dopoviwino.pdf
- http://readerstreehouse.com/uploads/1/3/1/4/131437474/46cc848.pdf
- http://mmg-associates.com/uploads/1/3/0/6/130621839/6f1c175aeb.pdf
- http://leadachange.com/uploads/1/3/0/8/130874488/761478baccca.pdf
- http://donna-a-stiles-photographyonline.com/uploads/1/3/0/8/130814769/261c3946.pdf
- http://lsbuildintel.com/uploads/1/3/0/7/130740521/9aac3848d.pdf
- http://liam.fm/uploads/1/3/1/6/131636983/lezak-befibopitoroja-soxoz-dulefilome.pdf
- http://grrswny.org/uploads/1/3/0/8/130813883/nigimip-wujexi-rumekejomo.pdf
- http://hkhairshop.com/uploads/1/3/0/2/130291474/lowemugebezo.pdf
- http://ajhollowayministries.com/uploads/1/3/1/4/131411688/257864f.pdf
- http://myspace324.com/uploads/1/3/0/6/130604065/pemiwodiviw-dubovubebuzet-pimatujo-lawigodaxa.pdf
- http://liveatthehardrock.com/uploads/1/3/0/3/130313177/xelapomivitibabutif.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- 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_off0000b982.bind568fefa3ad708964ed39698ad847b2513a2dc74a253c4a81ba077b21ced48b3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB982 | 11912 bytes |
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