MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external sites, disguised with a geography quiz lure. Heuristics indicate these links lead to a malicious redirector and a large link farm, suggesting a phishing or SEO spam campaign. The ML classifier strongly supports maliciousness. No scripts were extracted, but the primary attack pattern involves directing users to potentially harmful URLs.
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.com/wb?keyword=world%20geography%20objective%20questions%20and%20answers%20pdf In PDF document text
- http://files.simixlaundrydetergent.com/uploads/1/3/1/3/131380001/9599450.pdfIn PDF document text
- http://files.thecuriouscatgiftshop.com/uploads/1/3/2/6/132681596/puwakir.pdfIn PDF document text
- http://files.mygprf.org/uploads/1/3/2/6/132681757/pedaxodak.pdfIn PDF document text
- http://files.mmcpodcast.com/uploads/1/3/1/1/131163851/5390410.pdfIn PDF document text
- http://files.dianapoems.com/uploads/1/3/2/7/132740923/tavasotufozuduxa.pdfIn PDF document text
- http://files.just-verandas.com/uploads/1/3/1/3/131379045/xobuxisedujus_wekabod.pdfIn PDF document text
- http://files.parksidefellowship.org/uploads/1/3/1/4/131482866/vuliviv-kubuwewitaru-zefofo.pdfIn PDF document text
- http://files.sashaskolnik.com/uploads/1/3/0/7/130739699/d1873ff.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://jemuxotuwigi.files.wordpress.com/2020/07/23080502150.pdfIn PDF document text
- https://majuxuw.files.wordpress.com/2020/06/fixesaxufowa.pdfIn PDF document text
- https://pimudan.files.wordpress.com/2020/06/dedumojonimokidugufijomi.pdfIn PDF document text
- https://jesaseg.files.wordpress.com/2020/06/gejebitosuxuxavedojit.pdfIn PDF document text
- https://bijutinibi.files.wordpress.com/2020/07/batavapabinemen.pdfIn PDF document text
- https://zapekijibu.files.wordpress.com/2020/06/37183265375.pdfIn PDF document text
- https://suzonuvo.files.wordpress.com/2020/07/genitedagi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/loxutiwijadewafulon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/45927795399.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/71340125447.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/72619586694.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/45292738862.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/10699911966.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jezimix.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_off00006581.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6581 | 5908 bytes |
SHA-256: 3356f19bad9e0432258c0b3001a860a09f18ad84c6b052e10de319a069b8cee5 |
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font_01_sfnt_off000079bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79BD | 10076 bytes |
SHA-256: fbedff618ea39c33058bc5cc1d63121808007b399b15784f4c460dc8dec04521 |
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