MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many of which point to a redirector service known for malicious activity. The document body, though heavily obfuscated, contains references to the redirector URL and other URLs hosted on Shopify, suggesting a link farm or SEO poisoning tactic. The ML classifier strongly indicates maliciousness, and the presence of redirector links points to an attempt to lead users to 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=cluster+sampling+advantages+and+disadvantages+pdf In PDF document text
- http://vosifi.biggleswadesquash.com/uploads/1/3/2/8/132814930/perobu-vovunaxit.pdfIn PDF document text
- http://files.pedicureastridpeperkamp.nl/uploads/1/3/2/6/132682542/toburelarupuxif.pdfIn PDF document text
- http://xobis.eternalpurposeministries.org/uploads/1/3/2/6/132681021/291332.pdfIn PDF document text
- http://xerel.warkprimaryschool.co.uk/uploads/1/3/0/8/130813612/1304350.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/1/0429/9417/2058/files/md5_checksum_utility_v2._31.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8005/5958/files/minecraft_set_time_day.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/garul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8935/3117/files/42155059905.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3845/7504/files/analyseren_in_kwalitatief_onderzoek_boeije.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5131/0488/files/juzeserusokenesanojufan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7189/6736/files/plantilla_perspectiva_caballera.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9875/1641/files/gartner_report_on_crm.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0997/3147/files/49170164810.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7516/5594/files/67386720602.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8123/6634/files/the_odyssey_translated_by_emily_wilson.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/17844710077.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9633/4753/files/wudetalixawazogix.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_off00006eba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EBA | 5324 bytes |
SHA-256: f7cf56ff667a50056e39ea9ca959f914ee6035424937bba2ba7c4a41ebaaf8ce |
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font_01_sfnt_off000080c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80C5 | 10332 bytes |
SHA-256: badff5c5d1edc19d5b09a975726da368fd58ecef58c0b42e6bd3a8f14243bc3e |
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