MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many pointing to a redirector service that is known to host malicious content. The document body and embedded links suggest a lure for free downloads, which is a common phishing tactic. The ML classifier also strongly indicated maliciousness.
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.com/pify?keyword=practical+english+usage+4th+edition+pdf+free In PDF document text
- http://files.bishopkemperschool.org/uploads/1/3/1/4/131452904/mebelofoxamox.pdfIn PDF document text
- http://files.oradesignsohio.com/uploads/1/3/1/3/131380005/bebanekowiloza.pdfIn PDF document text
- http://repewa.hypefit.co.uk/uploads/1/3/1/4/131453060/851892.pdfIn PDF document text
- http://files.daeodain.com/uploads/1/3/1/4/131407194/252507.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/1/0432/5048/3368/files/56716270456.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4489/6917/files/roblox_paid_script_executor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9094/3902/files/11_science_biology_book_in_gujarati.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5162/2306/files/85051122613.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8275/9836/files/artocarpus_integer.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2852/7776/files/finakonositupekonif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1625/6662/files/sitebiwedikizakutu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9092/0099/files/13541091517.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5013/7760/files/como_traducir_de_aleman_a_espaol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8184/3356/files/19097058443.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4391/2856/files/rosigurusiwegarudaxoxag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3910/3912/files/numibin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tedogunugovosilogupex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3225/6407/files/offering_box_sekiro.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_off0000699d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x699D | 5388 bytes |
SHA-256: b6fccd6ea8cb788cf69d74ba4bc383eb12e5b57a45abc449d0676a0c405f0e41 |
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font_01_sfnt_off00007be4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BE4 | 10504 bytes |
SHA-256: 9a0b8af79027f020ca630ee49f5bec353439bd5f982ade762cb60028771bb18b |
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font_02_sfnt_off00009f8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9F8F | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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