MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous links to external websites, masquerading as vocabulary resources for IELTS. One of the primary links, 'https://ttraff.ru/pify?keyword=english+vocabulary+with+bangla+meaning+pdf+for+ielts', is identified as a malicious redirector. The document's structure and the presence of a large number of outbound links suggest a link farm or SEO poisoning tactic to drive traffic to malicious infrastructure.
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/pify?keyword=english+vocabulary+with+bangla+meaning+pdf+for+ielts In PDF document text
- http://files.makeupalchemist.com/uploads/1/3/1/4/131438113/xofowigewi.pdfIn PDF document text
- http://files.ed-gecation.com/uploads/1/3/1/4/131483214/8584785.pdfIn PDF document text
- http://files.trffoodshelf.org/uploads/1/3/1/4/131483149/2a6b1e2fd0e777.pdfIn PDF document text
- http://wowujo.lyncookejewellery.com/uploads/1/3/1/4/131406390/rokedenikutuva_nofinukisavov_dapozugiv_fatugifab.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6560/6301/files/am7_g_guitar_chord.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2816/0420/files/29233708743.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8503/6708/files/zutupevaporizal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9925/1093/files/devijep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vazakiliduvapi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5039/4019/files/dadoxewedididinuxoladulil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8858/4605/files/skyrim_special_edition_overhaul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0982/6213/files/92425763130.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9499/0231/files/9459649655.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4438/0578/files/23747096945.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1409/5001/files/nejube.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5672/6165/files/27357611201.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/79086372433.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9529/4105/files/evaluating_algebraic_expression.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
- http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
- http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b327.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB327 | 5920 bytes |
SHA-256: 2864e3f0f8c580e4e6597cfb55e3cef09b38282eb346d8e7e69fd3fb2fb32e49 |
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font_01_sfnt_off0000c740.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC740 | 27368 bytes |
SHA-256: 01b3bf5799bd719789f80fdc3161989221adf9f3c398845618263ef5ad963f63 |
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font_02_sfnt_off00010ba4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BA4 | 14384 bytes |
SHA-256: b239140e7d8d914b49a9cdf48ed35b75572f03b5f7173a346506207e26f6605c |
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