MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains multiple embedded links, with a critical heuristic firing indicating a malicious redirector. The primary malicious URL identified is `https://ttraff.ru/pify?keyword=effects+of+smoking+on+health+pdf`. This suggests the document is designed to redirect users to malicious infrastructure, likely for further exploitation or phishing. The presence of numerous PDF links, many hosted on `cdn.shopify.com`, indicates a link farm strategy to improve search engine ranking for malicious content.
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=effects+of+smoking+on+health+pdf In PDF document text
- http://files.ewiechart.com/uploads/1/3/2/3/132302913/gomokiwu-dapewijutufose-jofumuvusu.pdfIn PDF document text
- http://files.vivalavisaa.com/uploads/1/3/1/6/131606231/1008221.pdfIn PDF document text
- http://files.rosenortfellowship.ca/uploads/1/3/1/3/131380482/8e2b0.pdfIn PDF document text
- http://buxuguto.dtelmore.com/uploads/1/3/0/8/130873995/878cd29e3fef4.pdfIn PDF document text
- http://files.tomhall.org.uk/uploads/1/3/0/9/130969695/2270760.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/1/0427/8861/8396/files/dupinebadixuxu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9005/1221/files/gafuxedovatokaxapes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/4012/6614/files/26156076146.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9199/2481/files/verb_suffixes_list.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0240/4769/files/8209708701.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6340/2905/files/37669248175.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4272/5275/files/gate_electronics_and_communication_engineering_books.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2109/1484/files/nogufotumowitexoweka.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9291/6886/files/9998373801.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8670/8893/files/2675219766.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3024/8600/files/xaroxep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7437/9164/files/fijoxu.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_off00006de1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DE1 | 5492 bytes |
SHA-256: f0ea06c7abc8e86db629012bd5ad6e77d549bda33318326fb16ce8a02035fb01 |
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font_01_sfnt_off00008079.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8079 | 10368 bytes |
SHA-256: c4393599de8c6d53639f2ab7ed524c30d6be16897ab78403ae41b117d5db6c11 |
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