MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF contains multiple embedded links, including one identified as a malicious redirector. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' indicates that clicking the link `https://ttraff.ru/pify?keyword=ncert+chemistry+amines+pdf` will lead to malicious infrastructure. Additionally, the 'PDF_SEO_LINK_FARM' heuristic indicates a large number of external links, suggesting a spam or phishing campaign. The presence of a 'SE_DOWNLOAD_BUTTON' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=ncert+chemistry+amines+pdf In PDF document text
- http://files.mayramloeberstudio.com/uploads/1/3/1/1/131164156/raridina-reparivodaja.pdfIn PDF document text
- http://files.shophandmadefarmstead.com/uploads/1/3/1/6/131606343/kosaxadifedazirif.pdfIn PDF document text
- http://files.shirecollies.com/uploads/1/3/1/4/131437236/jurugufav_pusefamujeratet_sujubat.pdfIn PDF document text
- http://files.carriagehouseclothing.com/uploads/1/3/0/7/130738779/786b1.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/1/0432/4258/6269/files/s_letter_image_wallpaper.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2435/8298/files/barbara_marciniak_bringers_of_the_dawn.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6055/9013/files/62210054832.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0668/7394/files/antigen_presentation_and_processing.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5652/8541/files/classroom_management_strategies_middle_school.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/0057/3601/files/nier_automata_official_strategy_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6305/8325/files/geometric_progression_class_11.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7211/9199/files/ethiopia_travel_guide_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1044/9820/files/behaviourism_in_the_classroom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5921/4496/files/boart_longyear_financial_report.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6879/1713/files/garmin_nuvi_205.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/5863/2606/files/443886848.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2100/9053/files/wivenolonuranetuwunutijas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9766/9278/files/cinema_hd_apk_2._1._1.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
🗂 Part of campaign:
carriagehouseclothing.com
3 samples
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008d8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D8A | 5436 bytes |
SHA-256: f23d03175f87915ac039cdc91041c9888aeda48743d308fd61f8ddb71aa58933 |
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font_01_sfnt_off00009fe5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9FE5 | 10112 bytes |
SHA-256: 47ad519d63704e31decbd64cce72861dadc42b543530cbb4505a35bf3d73b4f4 |
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