MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded links, many pointing to Shopify-hosted PDF documents. One of these links, 'https://ttraff.ru/pify?keyword=square+root+calculator+radical+form', is flagged as a malicious redirector. This suggests the document is part of a link farm or SEO manipulation scheme, potentially leading users to malicious sites or content. No scripts were extracted, limiting the analysis of direct payload delivery.
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=square+root+calculator+radical+form In PDF document text
- http://files.sandraclarke.ca/uploads/1/3/1/8/131858916/3810691.pdfIn PDF document text
- http://files.thecitydesk.com/uploads/1/3/1/0/131070485/jawemulerozije_megidorotasi_jafag_nubopu.pdfIn PDF document text
- http://files.dietinterventionandautism.com/uploads/1/3/1/3/131383838/jorufomarerazem.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/1/0431/0132/3421/files/28219337982.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4620/5602/files/super_contra_cheat_code.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1757/6354/files/sorikepovorozejibu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7342/8890/files/school_magazine_cover_design_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5790/4792/files/werakofitiz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nisexabidubukov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9141/8526/files/66492837338.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7990/1096/files/33536274456.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2492/3298/files/native_american_cultures_readworks_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/3644/6613/files/router_buying_guide_2016.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4203/8172/files/effortless_english_free.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005b14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B14 | 5220 bytes |
SHA-256: 236e61452e9dcb6f82ac4eb901db6c13e17a9176edc10f75cc50459b468981ae |
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font_01_sfnt_off00006cb5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CB5 | 15320 bytes |
SHA-256: 22e15d534d9e5944fbde715bf70f579a3f6fe172d788b21ca1ba1ebd70d3dcf5 |
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font_02_sfnt_off00009cd9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9CD9 | 16080 bytes |
SHA-256: e3d583ca8131484f6b7e9991674a220a85ec8466745261d702706f92b0246cac |
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