MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains numerous links, many of which point to a redirector service known to host malicious content. The document body and embedded links suggest a lure for free downloads, likely leading to phishing or malware. The ML classifier strongly indicates maliciousness, and the presence of redirector links confirms a malicious intent to direct users to 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=cambridge+english+grammar+and+vocabulary+for+first+pdf In PDF document text
- http://files.infiniteaction.net/uploads/1/3/2/8/132814967/kasaliwewenepuva.pdfIn PDF document text
- http://files.limocleveland.org/uploads/1/3/0/9/130969430/3f8b0fb6b1b3.pdfIn PDF document text
- http://files.goodshepherdreading.org/uploads/1/3/1/6/131637606/tagegomo.pdfIn PDF document text
- http://files.oasischurchaiken.com/uploads/1/3/1/3/131398374/napojabibo_pepig_vuleno_bozagu.pdfIn PDF document text
- http://files.lindyjames-christenson.com/uploads/1/3/1/3/131379612/3953267.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/1/0435/4415/0165/files/vodotefoluzepokewi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6019/9573/files/genius_training_student_workbook.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4751/7341/files/avalon_high_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8129/3221/files/42507486129.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/6563/7019/files/hosting_website_on_github.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2607/8106/files/hack_someones_snapchat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/6453/9798/files/gatovofowex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4601/8967/files/occupational_exposure_band.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6336/9125/files/85905272610.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0862/0701/files/5863228771.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3422/9406/files/revolenet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6459/7397/files/zukiwawuxeteniduzib.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6577/0135/files/sinun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8684/7905/files/menuzatewobelomop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8307/9592/files/us_ntp_pool.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_off000056b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x56B2 | 5776 bytes |
SHA-256: 875189f20b679d4c51992898275a60dcaafdbe1e0cf25620f94e7638d9216fe7 |
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font_01_sfnt_off00006a3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A3A | 10076 bytes |
SHA-256: f0779715067f52b8be4c1c4b140a459e2197ffa6b8c166c34e6818ceb4ad9e3e |
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