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 a link farm designed to distribute malicious content. The primary lure appears to be a textbook download, which redirects to `https://ttraff.cc/pify?keyword=hornbill+english+textbook+class+11+pdf`. This redirector is likely used to obscure the final malicious destination. The ML classifier strongly indicates 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.cc/pify?keyword=hornbill+english+textbook+class+11+pdf In PDF document text
- http://files.cana1.com/uploads/1/3/1/3/131384407/tabubewuje.pdfIn PDF document text
- http://files.thesavvywineshopper.com/uploads/1/3/1/3/131384679/nejijufagupoma_dupaw.pdfIn PDF document text
- http://files.tensilegroupinc.com/uploads/1/3/0/7/130775607/jiwamenaf.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/1/0437/1431/4405/files/86033952043.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3826/7809/files/dupapowupoteg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9056/6556/files/end_warmup_csgo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/1741554469.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5540/7511/files/zimof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5067/2026/files/89706964968.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8529/9874/files/d._o._c_marocain.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/21883700101.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6137/1290/files/ditogefudojamo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8688/9639/files/7365026390.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0644/3163/files/54910387666.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4655/2227/files/23579348130.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8318/5819/files/tracheostomy_care_guidelines.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3598/4029/files/pudas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0610/7552/files/gewufovukuxeramivawam.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_off00008b34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B34 | 5492 bytes |
SHA-256: 3a9af2116f8f01c582d6145d825bfe40926faab923a5f300e085b56bcf7b5910 |
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font_01_sfnt_off00009dd6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9DD6 | 10368 bytes |
SHA-256: 43d699f9505b712a722972dbb2a3b7b2526045b271008b7a01082f3ffaa07bf4 |
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font_02_sfnt_off0000c110.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC110 | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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