MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/wb?keyword=our%20discovery%20island%201%20teacher'. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, many hosted on cdn.shopify.com. The document body, though heavily obfuscated, suggests a lure related to an 'island 1 teacher's book pdf'. The combination of these factors strongly indicates a phishing or malware distribution 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/wb?keyword=our%20discovery%20island%201%20teacher In PDF document text
- http://files.steveinfo.com/uploads/1/3/0/9/130969322/3e671b0c781.pdfIn PDF document text
- http://files.tattoosbyanna.com/uploads/1/3/1/4/131436956/lalenivizajit.pdfIn PDF document text
- http://files.hsemusicaltheater.com/uploads/1/3/1/6/131606467/b27d8cf5f503b.pdfIn PDF document text
- https://ttraff.cc/wb?keyword=our%20discovery%20island%201%20teacher's%20book%20pdfIn 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/1/0427/6633/6167/files/bojexajewitezoburefutar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8851/1130/files/9373109573.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8731/4585/files/deremobafuvapopa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7877/9047/files/nukejak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8680/7201/files/nitedo.pdfIn PDF document text
- https://vigazot.files.wordpress.com/2020/06/54575481839.pdfIn PDF document text
- https://wabofik.files.wordpress.com/2020/07/22590548147.pdfIn PDF document text
- https://poveganaji729330073.files.wordpress.com/2020/06/xagijevameduz.pdfIn PDF document text
- https://jadulotixen.files.wordpress.com/2020/06/5776982219.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/dekafarisajanitid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/93016620893.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5161/3334/files/jesekizopusog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/surorut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3810/5000/files/turodoborununimu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/silekizezimepajetidomok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/75877947267.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0671/3253/files/napisugaxije.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_off00006727.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6727 | 5604 bytes |
SHA-256: c1e20899a2a43e700acfa19e1abffa95b689380bc6dde4a93ab18f21531f7677 |
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font_01_sfnt_off00007a3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A3D | 10180 bytes |
SHA-256: e0d7f24a98eccbec6f2aaa6be617b3b19c4302843af08bd18b868777a2f60c33 |
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