MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external PDFs, many of which point to redirector infrastructure. The primary redirector URL is "https://ttraff.com/wb?keyword=oliveboard%20puzzle%20mania%20book%20pdf%20free%20download", suggesting a lure for free content. The ML classifier strongly indicated maliciousness, and the link farm behavior is consistent with SEO poisoning to distribute malware or phishing 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.com/wb?keyword=oliveboard%20puzzle%20mania%20book%20pdf%20free%20download In PDF document text
- http://files.beckymathisportraits.com/uploads/1/3/2/3/132303315/4267190.pdfIn PDF document text
- http://files.cornerstoneuk.org/uploads/1/3/2/6/132681993/5013956.pdfIn PDF document text
- http://files.rivermenrodandgunclub.com/uploads/1/3/2/3/132302973/nomegariwutok-wibiwu-visinatixubuj-sojimuta.pdfIn PDF document text
- http://files.iccsprogram.org/uploads/1/3/1/4/131406412/gibimami_kefimub.pdfIn PDF document text
- http://files.kylejnorris.com/uploads/1/3/0/8/130813558/e7f44a7.pdfIn PDF document text
- http://files.sunnyandsavvyrootsco.com/uploads/1/3/1/6/131637701/bifokogosuk.pdfIn PDF document text
- http://files.katherineoday.com/uploads/1/3/1/4/131406303/tazivumipituxu_nifigoxedojim_nugimuvosi_garavazaluk.pdfIn PDF document text
- http://files.km4kate.com/uploads/1/3/0/7/130775249/5707b3ac388e.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://bazebibirolo.files.wordpress.com/2020/07/buzisukojopifakukiniwiteb.pdfIn PDF document text
- https://remokizob.files.wordpress.com/2020/07/29946661669.pdfIn PDF document text
- https://tojugodusino.files.wordpress.com/2020/06/16759937494.pdfIn PDF document text
- https://retolipe116851667.files.wordpress.com/2020/07/jamiwagaj.pdfIn PDF document text
- https://fowexafo831514887.files.wordpress.com/2020/07/7292185184.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7567/4014/files/vabukuvadebirumeludeluzar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1338/9992/files/zizutexunafemovijegolop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9281/9616/files/tewasexekutunoku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0849/1673/files/tepopunadulumulosavemizo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6808/7701/files/povekezufejafipesodulasa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0890/0772/files/95964416899.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mirogorozizodixomalejog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/51191810805.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/49221060197.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_off00007289.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7289 | 5244 bytes |
SHA-256: 098842387da748a8628ba7316bd4890e492b274f9986f04a745b03958052fb11 |
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font_01_sfnt_off00008456.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8456 | 10500 bytes |
SHA-256: 03de8e12eee8699f8b7c1d46dd1779fe26947c6aacda1a66f3c5331eff3f8eaf |
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