MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains multiple embedded links, with a critical heuristic firing indicating it links to known malicious redirector infrastructure. The primary redirector URL is https://ttraff.cc/pify?keyword=fraction+word+problems+adding+and+subtracting+worksheets, which is designed to lead users to malicious content. The document body, though heavily obfuscated, contains references to this redirector and a benign-looking PDF, suggesting a lure to disguise the malicious intent. No scripts were extracted, but the PDF structure and link analysis strongly indicate a malicious redirection attempt.
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=fraction+word+problems+adding+and+subtracting+worksheets In PDF document text
- http://files.lovemybakes.co.uk/uploads/1/3/1/1/131164568/xatipevoxis.pdfIn PDF document text
- http://sitom.fredtoke.org/uploads/1/3/0/8/130814328/387776.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/1/0428/4583/1324/files/69410293089.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1877/8781/files/64308411149.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8433/2710/files/jiteredupazopabe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/23342697578.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8524/1245/files/28833682530.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4826/4089/files/boats_and_streams_questions_with_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3355/9203/files/55961517995.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8632/9509/files/doena_addison.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1548/7133/files/38657426932.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/7235/4459/files/canara_bank_statement_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6971/8172/files/maritime_accident_report_form.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/96328102714.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4478/1735/files/28762039023.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_off000060ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60EF | 5736 bytes |
SHA-256: f08d51f8a2af3b4604c62d557afba3e12b78039cfbe08d6d47619b536c541da0 |
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font_01_sfnt_off00007451.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7451 | 10732 bytes |
SHA-256: f0377f080d8481d4bc44834d552c42b69d98d0cb2687fc1815c0c81fa53f8e34 |
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font_02_sfnt_off000098e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x98E4 | 17412 bytes |
SHA-256: d019f8d4202577ca4947e2f2f07f88bc135644a1d902f2df624ba9b3966fc06f |
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