MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many of which point to a redirector service (ttraff.ru) that is flagged as malicious. The document body, though heavily obfuscated, contains the same malicious URL, suggesting an attempt to trick users into downloading a file under the guise of a Bible. 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.ru/pify?keyword=descargar+biblia+pdf+dios+habla+hoy In PDF document text
- http://files.littlelemonmarketing.com/uploads/1/3/0/7/130738943/bejaxiwirepazuw_tewadewuvaj_xipomanaraz.pdfIn PDF document text
- http://files.uatim.org/uploads/1/3/1/6/131606486/7729453.pdfIn PDF document text
- http://files.tomsaundersart.com/uploads/1/3/1/0/131071067/1757720.pdfIn PDF document text
- http://files.digitalliteracycookbook.org/uploads/1/3/1/3/131381802/kikipumupo-wenexufuw-mitarigegat-xafas.pdfIn PDF document text
- http://files.haidagwaiimagazine.com/uploads/1/3/0/8/130874102/131b17751f04.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/1/0433/5609/4614/files/23461976612.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1761/7057/files/78978481665.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4674/7803/files/download_dirty_sprite_2_future.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0866/3457/files/lelafaziranaj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5934/7618/files/saga_frontier_rom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9454/0452/files/xebopetunivapejogakiwaki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5320/1046/files/inter_national_khiladi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9715/3943/files/learning_french_language.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6956/3290/files/zisuvasoluterosidejima.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4093/1991/files/97654809276.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2931/5229/files/spanish_to_english_numbers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1339/7924/files/nalozokemufizaxosusum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1880/3607/files/maxigamopifoba.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005cb8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CB8 | 5260 bytes |
SHA-256: 51929399fd466b2fc71d757829c6eabad41c2444cd25c31da7e82cb1a9a81d4b |
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font_01_sfnt_off00006ea8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EA8 | 10900 bytes |
SHA-256: 0d4314ff88a5e168a5cbe52ae69f69832339df993e9354c89bd55e588718781f |
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font_02_sfnt_off00009215.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9215 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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font_03_sfnt_off00009fc8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9FC8 | 1736 bytes |
SHA-256: f27f1dab863be407bc80ce69f069aaa000ada345c50a5fba1d6b915b5f603bb6 |
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