MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains numerous links, many of which point to a redirector service known for malicious activity. The primary lure appears to be an educational worksheet, but the embedded links, particularly the one to `https://ttraff.cc/pify?keyword=elements+of+art+worksheet+middle+school`, are designed to lead users to potentially harmful content. The ML classifier also strongly indicated maliciousness.
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.cc/pify?keyword=elements+of+art+worksheet+middle+school In PDF document text
- http://files.ginetteandmichaeladopt.com/uploads/1/3/0/9/130969545/5bb9cc92.pdfIn PDF document text
- http://files.uqpalaeo.com/uploads/1/3/1/4/131407088/eb39f.pdfIn PDF document text
- http://files.jelisajayrobinson.com/uploads/1/3/0/7/130775897/7696fcc45da2ae.pdfIn PDF document text
- http://files.maslowspeak.com/uploads/1/3/1/4/131453934/3554054.pdfIn PDF document text
- http://files.tanyathehomestylegourmet.com/uploads/1/3/1/3/131382078/xelirid.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/1/0437/8243/9063/files/1067155648.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4456/8216/files/building_maintenance_technology.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3858/8584/files/bodologuzufef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6179/6248/files/wolfgang_amadeus_mozart_biography.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0067/6001/files/sotiwiledakerukivopamil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9401/6157/files/muxotofufivexe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2042/5115/files/fuwib.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0482/0631/files/graphic_design_books_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7157/6993/files/ashraf_ali_thanvi_books.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0428/0481/files/fabagoj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8328/4136/files/kobifagenixusukufapuroriw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9980/8149/files/10443171473.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_off00004e83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4E83 | 5372 bytes |
SHA-256: 451a713c36c228b3bfb362b259f7eab383f3dad29674e0b45211549c820b10c4 |
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font_01_sfnt_off000060b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60B2 | 8944 bytes |
SHA-256: ff7e165e08db50f8e790519a52672a7fab5f2498c6c4760f2877062657b89b94 |
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font_02_sfnt_off00007f85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F85 | 16188 bytes |
SHA-256: a520ab7a58d0d5eabecf41c647c9cdb7d4faf18153d08d5b22ffc89ca5cbd61f |
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