MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or SEO poisoning attack. The ML classifier also strongly indicated maliciousness. While no scripts were explicitly extracted, the presence of numerous URLs pointing to other PDF files indicates a likely attempt to distribute malicious content or manipulate search engine results.
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://files.ucdavisxctfclub.org/uploads/1/3/0/6/130603802/130603802.html#berklee+performance+center+boston+ma+seating+chart
- http://k-laser.eu/uploads/1/3/1/3/131384611/4059294.pdf
- http://files.dmcihomessales.com/uploads/1/3/0/2/130273753/2445304.pdf
- http://mx.dianapishnerwalker.com/uploads/1/3/0/7/130776756/2814593.pdf
- http://hostmaster.kidwellybowls.com/uploads/1/3/0/6/130604312/9234830.pdf
- http://mta-sts.lanefchocolate.com/uploads/1/3/0/6/130604621/749aafda88.pdf
- http://buahnagaq.org/uploads/1/3/0/6/130639268/vexipaxufukinud_kovaz.pdf
- http://changingfaceshairandmakeupartistry.com/uploads/1/3/0/2/130288642/d21f59fca8c1b.pdf
- http://endoflifecompanions.org/uploads/1/3/1/6/131607103/tubonowofoxa-niwusotoj.pdf
- http://everydaysuperhero.co.uk/uploads/1/3/0/7/130738855/6981623.pdf
- http://leightondelmia.com/uploads/1/3/0/6/130621052/6259775.pdf
- http://easymacsupport.com/uploads/1/2/9/0/129099120/129099120.html?solidworks
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://larusepami.files.wordpress.com/2020/06/85600039373.pdf
- https://sosasifen.files.wordpress.com/2020/06/sivogusu.pdf
- https://sajajud.files.wordpress.com/2020/06/zivoripidi.pdf
- https://zitipon.files.wordpress.com/2020/06/baruliror.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006621.binfcfc457448aac7c69f8ec35ad93727defc25de136a0c03460fe060fa52f1646e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6621 | 5472 bytes |
font_01_sfnt_off0000787e.bin06ef5ef26f08b958a9b1e4a2a85a449b0b10460d45492af281cbbd6e53c6972c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x787E | 10752 bytes |
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