MALICIOUS
96
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, a technique commonly used for SEO poisoning and distributing malicious content. The document body, though partially corrupted, suggests a lure related to 'Libros de quimica organica' (Organic Chemistry Books), aiming to trick users into clicking on the embedded links. The ML classifier strongly flagged this PDF as malicious, indicating a high probability 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://commandobrands.com/uploads/1/3/0/5/130588989/130588989.html#libros+de+quimica+organica+para+descargar+pdf
- http://prcowosso.com/uploads/1/3/0/4/130476078/zuzukawesifag.pdf
- http://stevesparke.com/uploads/1/3/0/3/130313619/2feb85ff3c1a.pdf
- http://michelhairlicious.com/uploads/1/3/0/6/130603855/4760105.pdf
- http://life-starcoaching.com/uploads/1/3/1/3/131380065/91ef4f5a1e353bc.pdf
- http://njtanner.com/uploads/1/3/0/7/130775918/rujorupeva-jekobexupomo-luzefija.pdf
- http://goldenphoenixwest.net/uploads/1/3/0/7/130739478/3581896.pdf
- http://mermaidfitnessbump.com/uploads/1/3/0/7/130739991/bikinekimati.pdf
- http://blaisentom.com/uploads/1/3/0/8/130813604/5398922.pdf
- http://jbsplaques.com/uploads/1/3/0/4/130435873/towakoridonepiz.pdf
- http://flagstaffsings.com/uploads/1/3/0/9/130969510/cef2cf37763b.pdf
- http://lifeinhudsonyards.com/uploads/1/3/0/5/130590608/vodere.pdf
- http://e-79investment.com/uploads/1/3/0/9/130969042/da0e283b0.pdf
- http://craftisvistgathering.com/uploads/1/3/0/7/130739197/3216207.pdf
- http://vancouverislandpremiumhardcandy.com/uploads/1/3/0/3/130323335/bumare-dasigalo-vagifu.pdf
- http://alcottcove.com/uploads/1/3/0/6/130621024/sidinujoxi_zojerudopiwox_zujefi_zakakaxajofus.pdf
- http://lubbockpestcontrol.net/uploads/1/3/0/3/130323612/2734099.pdf
- http://cbacreditcard.com/uploads/1/3/0/2/130271190/tunifufama.pdf
- http://leevanzylpsychicmedium.com/uploads/1/3/0/5/130551720/60949b82d.pdf
- http://thefadeschool.com/uploads/1/3/0/4/130435784/68955e748f913.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_off0000b4df.bin33f0e160a5b3c19e164c1a538973a2c3d7856eaa11bed1586f94f9c162e00972 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB4DF | 9916 bytes |
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