MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a malicious redirector link disguised as "Biozone worksheet answers pdf". This link, https://ttraff.cc/pify?keyword=biozone+worksheet+answers+pdf, leads to a link farm with 17 external PDF links, many hosted on Shopify. The primary purpose appears to be to drive traffic to a network of linked PDFs, likely for SEO manipulation or to host further malicious content.
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=biozone+worksheet+answers+pdf In PDF document text
- http://files.andrewjameshall.com/uploads/1/3/1/6/131637921/giwaxijujefa.pdfIn PDF document text
- http://files.nickmartine.com/uploads/1/3/0/7/130775784/rurefefifuzamitofom.pdfIn PDF document text
- http://files.soniapalik.com/uploads/1/3/0/7/130740200/7fa3e9a2f963b4.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/1/0428/2862/8135/files/mugen_character_pack.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2353/0141/files/roferonolobojetavaxar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3876/9303/files/fufumorerisigujobukujade.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4516/5975/files/xetilimojekuwiwapigozi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3403/3824/files/duzesagax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9501/4056/files/wugano.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1060/5735/files/xotesijurozefuvok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8998/3640/files/restaurants_operations_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0636/9703/files/63789665196.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5498/0505/files/tolivewalekade.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2202/4867/files/african_traditional_religion_and_development.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4942/6839/files/puvanevis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6763/7917/files/breakthrough_innovation_and_growth_pwc.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0938/4345/files/vorepurerupalipudoxiv.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_off000045cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x45CD | 5352 bytes |
SHA-256: c40beae2dfe01969977d98f6574387d29b330cc21e2f5d97d9c7b08d7509ecc2 |
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font_01_sfnt_off00005818.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5818 | 9936 bytes |
SHA-256: c0331c5ab4004861e1d2d9aa4a1a88f6f5e99e80f08ce10645ae16081157ad2c |
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