MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The primary malicious URL identified is https://ttraff.ru/pify?keyword=biblia+pdf+reina+valera+1960+gratis, which is likely used to redirect users to further malicious content. The document body, though heavily obfuscated, contains this URL and other benign-looking Shopify URLs, suggesting a lure for free PDF downloads. No scripts were extracted from this sample.
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+pdf+reina+valera+1960+gratis In PDF document text
- http://files.allearround.com/uploads/1/3/0/8/130874326/1682035.pdfIn PDF document text
- http://files.nvcfa.org/uploads/1/3/0/8/130873737/1458bac65ef8abc.pdfIn PDF document text
- http://files.ballisticstrength.ca/uploads/1/3/1/4/131407178/a6a08283b7756d.pdfIn PDF document text
- http://files.bluu.zone/uploads/1/3/0/9/130969791/e9a727b75.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/1/0438/2441/4882/files/latonowapobukuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0444/4323/8567/files/catecismo_da_igreja_catlica_livro.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8457/1031/files/81016151356.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8095/8617/files/99639723927.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9389/4044/files/81474091866.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9117/3278/files/42975619957.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6043/5873/files/9800419327.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2398/3001/files/finarakosuxoxesanivefifut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7641/9744/files/54455050517.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5592/1817/files/18988595866.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2182/0313/files/23229179912.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4391/2856/files/bhakti_and_sufi_movement_upsc.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7805/7122/files/67497141262.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_off00006c1e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C1E | 5964 bytes |
SHA-256: 8c4bdb3b137d129a2a43ca2ff7594f3d235a16fb37f09387bba7be72687a30c4 |
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font_01_sfnt_off00008077.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8077 | 3120 bytes |
SHA-256: 6aa82955e117d44a43ee3f00d38721e5a856e0beaa5e9be21e4b15ad85f5f80c |
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font_02_sfnt_off00008cfc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8CFC | 10088 bytes |
SHA-256: 51ec1625bf8cbc868336356f9b124d3cb2cff82f0b8278c4d8b74866f3439845 |
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