MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link that redirects to a malicious URL, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains text related to 'Algebra 1 chapter 6 cumulative review answers' and the malicious URL, suggesting a lure. The PDF_SEO_LINK_FARM heuristic indicates the PDF is part of a larger link farm, likely for SEO poisoning or distributing malicious links. The ML_NYX_PDF_MALICIOUS heuristic further supports the malicious classification.
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.link/wix?keyword=algebra+1+chapter+6+cumulative+review+answers In PDF document text
- http://zumet.t3volleyballclub.com/uploads/1/3/2/6/132683209/xekasasib.pdfIn PDF document text
- http://sebitugum.primarycareguidelines.com/uploads/1/3/2/8/132814742/sizojalomoj.pdfIn PDF document text
- http://wepejavi.truelindsaycreation.com/uploads/1/3/0/8/130874493/4946878.pdfIn PDF document text
- http://vosage.thelighthousebc.org/uploads/1/3/1/4/131407406/8d86556b65.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/1/0432/3681/9104/files/alejandra_pizarnik_poems.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7096/3350/files/18839535484.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5259/6374/files/jozokuvoxifesupasasufaras.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7405/0458/files/gugalidefugekasevosabaj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4581/3414/files/58246485283.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3826/7809/files/harrismith_topographic_map.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7814/7491/files/mofate.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6147/7527/files/guguwadorejezaraxeja.pdfIn PDF document text
- https://d76ae117-6136-4de2-80ae-567f079f72ae.filesusr.com/ugd/dd6616_6bb0c6b09c48495095639866baa4b4a2.pdf?index=trueIn PDF document text
- https://3d9d4f6e-c2f6-40e5-af86-24798942894a.filesusr.com/ugd/0ebc1f_d9ca1601044a4182a41ce6873e5cf2fe.pdf?index=trueIn PDF document text
- https://2dd3307d-465e-4218-9929-136761cf0ff0.filesusr.com/ugd/bbd3cf_c83a4816e4944f21b41ba48b747d0903.pdf?index=trueIn PDF document text
- https://bc2f5dc2-3952-4a55-82a7-12bb7b594127.filesusr.com/ugd/1a1092_909c142eb91948fa909fc33a1fa28f5c.pdf?index=trueIn PDF document text
- https://06711d8a-af90-49c1-828a-68486bcdb6c3.filesusr.com/ugd/8508de_303a4dd6713544658997690e1d3076c9.pdf?index=trueIn 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_off000088ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x88AB | 5836 bytes |
SHA-256: 5776bc5c1fe9ff598df04de8e630607d9f3125df9921c13a7eda96cfa03cdaff |
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font_01_sfnt_off00009c78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9C78 | 10988 bytes |
SHA-256: dab1005a03b4458802e54ae3dc7ee6af8e295a888123eb443d833465c07d2e3f |
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