MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK, indicating it points to malicious infrastructure. Additionally, PDF_SEO_LINK_FARM suggests a large number of outbound links, likely for SEO manipulation or to host further malicious content. The embedded URL 'https://ttraff.cc/pify?keyword=john+boyne+libros+pdf' is a primary indicator of malicious redirection. The document body, though heavily obfuscated, contains references to 'John boyne libros pdf' and 'wkhtmltopdf', suggesting a lure for free book downloads.
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=john+boyne+libros+pdf In PDF document text
- http://files.smokehousecanecorso.com/uploads/1/3/1/4/131406269/nogivi.pdfIn PDF document text
- http://files.swswa.org/uploads/1/3/1/4/131483184/950092.pdfIn PDF document text
- http://files.thesyncretistrealm.com/uploads/1/3/0/9/130969018/2d7d4a7e.pdfIn PDF document text
- http://rerepis.youarethesalt.org/uploads/1/3/2/6/132681670/pejelifofakin.pdfIn PDF document text
- http://files.mnnewfs.com/uploads/1/3/2/6/132681901/1719107.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/1/0428/9835/8432/files/72593533024.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9375/2997/files/gupuxuledubofa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9567/0427/files/47803460254.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3912/9751/files/budget_speech_2020_highlights.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2823/3887/files/bibemiroviwivurojowewoveb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4645/1862/files/felomolexulu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9671/7992/files/7580866820.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8373/3915/files/rujinilutixakudifo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2811/9706/files/tuxewinubofoviseb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6753/9623/files/13030008565.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4356/8278/files/vujowogerigomijuno.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1379/9066/files/annotated_outline_apa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5109/6991/files/88522870476.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4121/6919/files/ancient_shadow_armor_terraria.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c355.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC355 | 5148 bytes |
SHA-256: 78d4f9b7bc8039dc19f4d4c53e985bec3e4b29b59910bf033206d32729f02022 |
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font_01_sfnt_off0000d4d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4D2 | 10332 bytes |
SHA-256: 7762e2596fc7ec3bbcf6993d05518f82d92d35596719bf9f65e520df02fc33e1 |
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