MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that redirect to malicious infrastructure, specifically a URL designed to appear as a search result for 'homework sheet template pdf'. This indicates a phishing or scam attempt, likely delivered as an attachment. The ML classifier strongly supports the malicious verdict.
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/wb?keyword=homework%20sheet%20template%20pdf In PDF document text
- http://files.alpinecivicclubboard.com/uploads/1/3/0/8/130813524/2314108.pdfIn PDF document text
- http://files.annakubitz.com/uploads/1/3/1/6/131606743/dikejuto-femoke-gapakebenizax-savifida.pdfIn PDF document text
- http://files.scarletvalleylogistics.com/uploads/1/3/0/7/130739173/tavowan.pdfIn PDF document text
- http://files.sambeafarm.com/uploads/1/3/0/7/130739628/b35986ef45730.pdfIn PDF document text
- http://files.rivervalleyartistsguildofportjervis.com/uploads/1/3/0/9/130969089/budeno-tazepuvevo.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/1/0435/6007/5427/files/2280481183.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2398/3015/files/77882565689.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0962/2691/files/53533742268.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8085/2383/files/wawirafor.pdfIn PDF document text
- https://sesuxegu.files.wordpress.com/2020/07/13488858180.pdfIn PDF document text
- https://zugebopiw.files.wordpress.com/2020/07/44959484725.pdfIn PDF document text
- https://kafabumifo.files.wordpress.com/2020/07/ninunasu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0238/7867/files/madiravisokesapopu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4923/8184/files/73855570027.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9830/0823/files/nomazokugas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5109/0077/files/keduzewofaxewisubejida.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1574/0312/files/juvajubovemesukaputupu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1044/8795/files/88288775270.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1542/1600/files/25018316306.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1234/9334/files/temezufexazufivusob.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_off000072e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72E2 | 5032 bytes |
SHA-256: 2d7c0fe78da3918dcc689fbe83a04354608ae7a8c321bd8e10dce3bdcc17f990 |
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font_01_sfnt_off00008410.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8410 | 10412 bytes |
SHA-256: 6042ccb1236870a14668e7ee74b5f3b507c8efe48e95bb2f0f0ff4c7ee6da50b |
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