MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded links, with one specifically identified as a malicious redirector. The document body, though partially corrupted, contains text suggesting an 'online registration form' lure, aligning with the SE_INVOICE_LURE heuristic. The primary malicious IOC is the redirector URL, which likely leads to further malicious content. The PDF_SEO_LINK_FARM heuristic indicates a large number of outbound links, many hosted on Shopify, suggesting an attempt to distribute malicious content widely.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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 https://ttraff.ru/pify?keyword=nbi+online+registration+form+pdf In PDF document text
- http://files.pinnaclelightinganddesign.com/uploads/1/3/1/8/131871518/givof_vozal_liromenudi_bugaremujafi.pdfIn PDF document text
- http://files.aogshoetique.com/uploads/1/3/1/0/131070820/xubuxovupa-dawova-wezudada.pdfIn PDF document text
- http://files.carolinerosenblum.net/uploads/1/3/1/3/131379409/6307091.pdfIn PDF document text
- http://julemoro.theblessedlifeonline.com/uploads/1/3/0/7/130775918/9b504fcef13c58.pdfIn PDF document text
- http://files.activelaboratoryinc.com/uploads/1/3/2/7/132740343/vakidob.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0429/0006/2367/files/dugesaban.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7365/0334/files/plan_y_programas_aprendizajes_clave_sexto_grado.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8921/6167/files/sukiguruj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/70278744099.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5613/5334/files/catia_tutorial_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2376/0536/files/ziguvew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5393/0904/files/canela_de_velho_bula.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7188/7767/files/game_of_life_quarter_life_crisis_instructions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4245/5207/files/49603217566.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8271/8107/files/87338604170.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3801/4616/files/ciclo_biologico_ascaris_lumbricoides.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1306/1277/files/dofafasogepegu.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000074c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74C6 | 5260 bytes |
SHA-256: 2fbbe6a6b2999dda1c18ca3c5757694f590c5c47ca12e8118b564ee558b1017d |
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font_01_sfnt_off00008682.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8682 | 10192 bytes |
SHA-256: 2565910022c1f596abcfcfb4e5e82e173e2c6578f2d18539ed4b2b1a98e8845c |
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font_02_sfnt_off0000a946.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA946 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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