MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains numerous links, many pointing to a redirector service, suggesting a link farm or phishing attempt. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK specifically flags the URL https://ttraff.ru/pify?keyword=biblia+de+estudio+cristiana+evangelica+pdf as malicious. The presence of many Shopify-hosted PDF links indicates an attempt to create a large, SEO-optimized link farm, likely to drive traffic to malicious or deceptive content.
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=biblia+de+estudio+cristiana+evangelica+pdf In PDF document text
- http://files.neilmckenzieyouthfishingcontest.org/uploads/1/3/1/6/131606127/1963708.pdfIn PDF document text
- http://files.ps173q.org/uploads/1/3/0/7/130739704/nedujodapolufukupugi.pdfIn PDF document text
- http://files.theworkingconnectionllc.net/uploads/1/3/2/6/132682904/3a213fd38be6fc.pdfIn PDF document text
- http://files.alohavolleyball.com/uploads/1/3/2/8/132815298/9aba7f.pdfIn PDF document text
- http://files.lidgettandbeyond.org/uploads/1/3/2/3/132303093/vugibif.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/1/0448/6122/7169/files/essential_clinical_anesthesia.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/8075/1006/files/capitano_ultimo_libro.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3077/2901/files/tuwukasezuzorazujomonabo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2514/5754/files/fexukalon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4241/4493/files/devizexonezivurox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5693/8646/files/16856973620.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3979/3050/files/wisibibawojapowibavotuf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3550/9415/files/59727172304.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6308/3170/files/13854242853.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8370/1151/files/jakepegexigumadowin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5805/2763/files/wow_argent_crusade.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_off00007b80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B80 | 5456 bytes |
SHA-256: 5e7d739d1ba592298675c42f3bc6f5bb7a1bdc86263d34234dc7ff1c2ad25f4d |
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font_01_sfnt_off00008e14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E14 | 11596 bytes |
SHA-256: b440d1511e507e03bbb004c5eae2e6b0b31e6b81003e8f831477595f744402ee |
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font_02_sfnt_off0000b3ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3CA | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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