MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to a redirector service, suggesting an attempt to drive traffic to malicious or spam content. The document body and embedded links mimic a worksheet, likely to deceive users into clicking. While no scripts were directly extracted, the PDF structure and link farm heuristics indicate a malicious intent to redirect users.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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/wb?keyword=infinitive%20of%20purpose%20worksheet%20pdf In PDF document text
- http://files.mariaillustrations.com/uploads/1/3/2/6/132681931/86f4c9bb8.pdfIn PDF document text
- http://files.misslaurasladybugs.com/uploads/1/3/1/3/131384335/retujorum-kefuzimelofa-lavazovol.pdfIn PDF document text
- http://files.elpasomobilemechanic.com/uploads/1/3/2/6/132682899/6615113.pdfIn PDF document text
- http://files.modson.com/uploads/1/3/1/4/131438079/sarox.pdfIn PDF document text
- http://files.lemroyaltyfreemusic.info/uploads/1/3/1/3/131382092/4665f5433540e2a.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/1/0428/5225/3863/files/91447952733.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8649/6415/files/zujevawopimepolinusutotid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8550/3393/files/mathematical_modelling_techniques.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7460/0598/files/bimifipukixatotagil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0942/6079/files/99733727191.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3031/4133/files/71512204057.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8421/8521/files/69927067093.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5359/6310/files/deluxelisataku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9170/5500/files/estadistica_para_negocios_y_economia_anderson_11_edicion_solucionario.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0538/6647/files/dinasaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1960/6936/files/bomaluvovojow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0498/4474/files/arusha_peace_agreement_1993.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2205/6600/files/rebowe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3749/8271/files/xirufoxonepowete.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_off0000634d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x634D | 4924 bytes |
SHA-256: 03b787a4c351a4c48190cca85dee66ddfaa8da0345740cba868578bf33adb280 |
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font_01_sfnt_off0000741b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x741B | 10612 bytes |
SHA-256: e32f34732a41ab9124ac4318213e2dab7a5b0dfe0c46967b2db93c535c1a3fa2 |
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font_02_sfnt_off00009844.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9844 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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