MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external resources, including a known malicious redirector at https://ttraff.ru/pify?keyword=adjectives+with+ed+or+ing+worksheets. This suggests the document is part of a link farm or phishing campaign designed to redirect users to malicious sites. 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.ru/pify?keyword=adjectives+with+ed+or+ing+worksheets In PDF document text
- http://files.theclassicknowledge.com/uploads/1/3/1/3/131383456/notodewof.pdfIn PDF document text
- http://files.liverpooliti.com/uploads/1/3/0/7/130776787/tofifep_maxaxemubowug.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/1/0438/9571/8040/files/1095231464.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7662/4279/files/99696490282.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5795/4467/files/gogotumibatale.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8133/4933/files/91594727670.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6728/5408/files/gafed.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6769/5511/files/elementos_del_genero_lirico.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7311/7087/files/jaws_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2611/9831/files/70808103195.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0436/2906/files/88866460494.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tagesagebog.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_off00005ac5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5AC5 | 5240 bytes |
SHA-256: 6beff91f97ce42611532cf0e3075c8fe2d052fb2db4aac95369cceeaaa2b9978 |
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font_01_sfnt_off00006cad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CAD | 10356 bytes |
SHA-256: 8217590c9cf12eb8a40a11ff998535f357729036e1ceebc077da2783b1fc9e0a |
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