MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass external link farm, with one critical link pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text that appears to be a lure for 'creative writing worksheets for grade 2 pdf', and includes the malicious redirector URL. This suggests the document is designed to trick users into clicking the link, leading them to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.com/pify?keyword=creative+writing+worksheets+for+grade+2+pdf In PDF document text
- http://files.johntherev.com/uploads/1/3/0/7/130738914/2442753.pdfIn PDF document text
- http://files.utahpeers.org/uploads/1/3/0/7/130775897/rotifuwajalumi.pdfIn PDF document text
- http://kafekamok.stannersenglish.com/uploads/1/3/0/9/130969656/bopiri.pdfIn PDF document text
- http://files.farleycameronart.com/uploads/1/3/0/7/130775862/42cebc237570d.pdfIn PDF document text
- http://jurapoka.yourvapesupply.com/uploads/1/3/1/3/131380058/2136281.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/1/0433/7503/4520/files/lunetosuwasagu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7214/4038/files/jeguziwememabuganopixo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8457/0019/files/biomedical_waste_management_in_hospitals.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/2038/1342/files/paulo_coelho_aleph_romana.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5219/6249/files/vaxof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3025/7568/files/lubipalezanuradadubupoxan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7731/2405/files/gebubozebezel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kilezolesosobusafo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6895/6565/files/vumobaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3547/6646/files/code_block_discord.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3093/6733/files/4764338826.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1008/8360/files/pujoji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7257/7946/files/all_accounting_ratios_formulas.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_off00005a70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A70 | 5524 bytes |
SHA-256: c8cd970bffa3cfcdfa6f42dfcdb519a9fb30f86f719d2959a57f46ffba8e6afb |
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font_01_sfnt_off00006d50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D50 | 10180 bytes |
SHA-256: f86b59bb8823bc9b8ec21edafad85ce995f3fb8c7abf0d9402f42ea1e4a0845c |
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