MALICIOUS
104
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of external links, many of which point to other PDF files on various domains. This behavior is indicative of a link farm or SEO spam operation, potentially used to distribute malicious content or manipulate search engine rankings. The presence of a 'download button' heuristic further supports the idea that the document is designed to trick users into clicking these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
Heuristics 5
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://mta-sts.mail.quillskywritings.com/uploads/1/3/0/6/130604806/130604806.html#lead+sheet+manual+pdf PDF link annotation
- http://margowalsh.com/uploads/1/3/0/5/130546237/0b9f52c7689bf.pdfIn PDF document text
- http://mvindm.com/uploads/1/3/0/6/130604018/bimamatimulozazezudi.pdfIn PDF document text
- http://divinesking.com/uploads/1/3/1/8/131871727/42c16b.pdfIn PDF document text
- http://goodwinsonthgo.com/uploads/1/3/1/6/131636774/wepix_fepibexubadat_kulilolifaj_jepabi.pdfIn PDF document text
- http://lucaseportfolio.com/uploads/1/3/0/8/130814729/bokirivagetexom.pdfIn PDF document text
- http://oldworldremedies.com/uploads/1/3/1/4/131406681/muwebutux.pdfIn PDF document text
- http://insidemyjunglecitybrain.com/uploads/1/3/1/6/131606644/fusujufi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://zomuninelix.files.wordpress.com/2020/05/74477705365.pdfIn PDF document text
- https://zunuxav.files.wordpress.com/2020/05/63245980094.pdfIn PDF document text
- https://xukitivusapu.files.wordpress.com/2020/05/fewumi.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000052db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x52DB | 9928 bytes |
SHA-256: adbe63ae57d4b5cfdd152c244bef62f95fa39c7ebeed17f1b676c0d4c9fe341a |
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