MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links designed to appear as a link farm for free book downloads, but they redirect to malicious infrastructure. Specifically, the link https://ttraff.ru/pify?keyword=el+compendio+del+catecismo+de+la+iglesia+catolica+pdf is identified as a malicious redirector. The document body, though heavily obfuscated, also contains this URL, suggesting it's the primary lure.
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=el+compendio+del+catecismo+de+la+iglesia+catolica+pdf In PDF document text
- http://files.jaclynweist.com/uploads/1/3/0/7/130775375/c1821dad29.pdfIn PDF document text
- http://files.genyablake.com/uploads/1/3/1/4/131407655/zoxovitimut.pdfIn PDF document text
- http://files.diamondautousa.com/uploads/1/3/1/3/131398385/1472775.pdfIn PDF document text
- http://files.yehudiwyner.com/uploads/1/3/0/9/130969545/3d315d757a26db.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/1/0435/8258/7037/files/accounting_theory_and_practice_michel_glautier.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3734/3387/files/59586251831.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5348/2135/files/suwareguzetod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5391/6060/files/titumadobeligirid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2040/3356/files/pivew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5710/9402/files/volare_chords.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/7082322425.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8870/6717/files/92266567603.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8346/3832/files/cad_welding_procedure.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6427/9718/files/zesopikipokuxevoxuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4914/7816/files/68296156400.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8907/5102/files/rimomepusupepip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8772/4704/files/58708711358.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3039/5552/files/ibps_rrb_notification_2020_syllabus.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_off0000c0c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC0C4 | 5124 bytes |
SHA-256: 78b9d1b084e473c5b88b5bd0fb9177d7ee4e6edc70a5b026413a33038b4f96ec |
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font_01_sfnt_off0000d212.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD212 | 11708 bytes |
SHA-256: 60838fbfaea64cb5a88ff66ddfb59cb9d0b95032d98aabfdc7b08ca550d74b95 |
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font_02_sfnt_off0000f7e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7E3 | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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