MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains a large number of embedded external links, a technique often used for SEO manipulation or to redirect users to malicious sites. The ML classifier strongly indicated maliciousness, and the PDF_SEO_LINK_FARM heuristic confirms the presence of a link farm. The document body itself is heavily obfuscated but contains some of the same URLs found in the heuristics, suggesting a coordinated effort to drive traffic to these external resources.
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://ioannaconcept.com/uploads/1/3/1/3/131383284/131383284.html#the+backyardigans+cave+party
- http://hostmaster.ideadokan.jp/uploads/1/3/0/3/130379060/gepagidenena.pdf
- http://shopwestofwest.com/uploads/1/3/0/5/130547069/zewamusosu-rigotujalore-lusewubivo.pdf
- http://later-life-living.com/uploads/1/3/0/3/130313035/2655460.pdf
- http://hbg-web.de/uploads/1/3/1/6/131636692/zibafok.pdf
- http://shoretvohio.com/uploads/1/3/0/4/130476795/xavetizux.pdf
- http://bettylovesbookish.com/uploads/1/3/1/4/131406295/e6c96114dd.pdf
- http://tsls.org/uploads/1/3/0/8/130814907/lalosujof_jiwovuvopowige_fapubuj.pdf
- http://food.greenbush.org/uploads/1/3/0/8/130813829/jedewo.pdf
- http://join.angelrealtors.com/uploads/1/3/1/1/131164180/0d3e057acfe4.pdf
- http://ayannawatkins.com/uploads/1/3/0/5/130551472/4033416.pdf
- http://zoeyandzander.com/uploads/1/3/0/8/130814174/rewineverajo.pdf
- http://catfishscatering.com/uploads/1/3/1/8/131856949/1398122.pdf
- http://makingartpublic.com/uploads/1/3/0/4/130479123/lufejeronaluj.pdf
- http://5a.undesirable.us/uploads/1/3/0/2/130291449/7abbca8.pdf
- http://ioannaconcept.com/uploads/1/3/1/3/131383284/terms.html
- http://ioannaconcept.com/uploads/1/3/1/3/131383284/dmca.html
- http://ioannaconcept.com/uploads/1/3/1/3/131383284/policy.html
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://ragozewikus.files.wordpress.com/2020/06/jukasixaniwomupazito.pdf
- https://lurunejureze.files.wordpress.com/2020/06/poxerojazirozafu.pdf
- https://pemaguw.files.wordpress.com/2020/06/sopilatiradezujur.pdf
- https://damupugip.files.wordpress.com/2020/06/novis.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/
- http://scripts.sil.org/OFL
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005cc4.binbd337a26149e5de212a3e5f49d9ff76bec40df8a0563b62b8d77428e534b27d6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CC4 | 9552 bytes |
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