MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains numerous embedded links, with one specifically identified as a malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=simplifying+variable+expressions+worksheet+pdf', which is flagged as malicious. The presence of a mass external PDF link farm further supports the malicious intent, aiming to drive traffic to potentially harmful sites.
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=simplifying+variable+expressions+worksheet+pdf In PDF document text
- http://dadaxero.kasrakaviani.com/uploads/1/3/2/6/132681556/raxepusajojavex-lubusukinu.pdfIn PDF document text
- http://files.peterbellinghamillustration.com/uploads/1/3/0/7/130775320/binuranirajagosu.pdfIn PDF document text
- http://fomif.mapleridgechristmasfestival.com/uploads/1/3/1/4/131453284/4f00340a202.pdfIn PDF document text
- http://files.cffu.org/uploads/1/3/2/6/132683111/bazakekukaxatiwi.pdfIn PDF document text
- http://files.milfordmagic.com/uploads/1/3/0/8/130814208/610041ea.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/1/0428/9835/8432/files/palafasejuzanuz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5244/9444/files/tixajemusafelolad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6939/0500/files/pravana_chromasilk_color_chart.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9564/5589/files/vetabuxebolajuvorujurawuj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8638/0197/files/etiologia_de_la_diabetes_mellitus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1312/8867/files/pujobizunedubonas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9862/8501/files/64245793794.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5531/7149/files/59666413533.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/32506959796.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7322/2294/files/roxozepo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7433/0517/files/gutuzifirivibo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0726/2367/files/48205080230.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1433/2309/files/kosopapexufokitufone.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_off00006609.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6609 | 6084 bytes |
SHA-256: dd85b7a5ab6899a76bcc87f9abfbde32d30b9bac8c6f1db0093e9346dfff56e6 |
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font_01_sfnt_off00007aa5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AA5 | 14444 bytes |
SHA-256: c9a2c9e58ddd6e39e0e12f2d2a9ce01ec5f13939c498300ab6466c0b528f8250 |
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