MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The PDF contains numerous embedded links, with a primary link identified as a malicious redirector. This suggests a phishing or scam attempt, likely using the 'alphazero paper pdf' lure to entice clicks. The presence of a link farm further indicates an attempt to manipulate search engine results or distribute malicious content. The ML classifier strongly supports the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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/pify?keyword=alphazero+paper+pdf In PDF document text
- http://files.bilboshappypaws.com/uploads/1/3/1/1/131164125/vasusivobowozosojo.pdfIn PDF document text
- http://vitafida.dchatt.com/uploads/1/3/1/4/131453133/modebedikelo.pdfIn PDF document text
- http://files.victoriatautke.com/uploads/1/3/2/7/132712174/tavun.pdfIn PDF document text
- http://files.paulashleyfowlerphotography.com/uploads/1/3/0/7/130775027/8706118.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/1/0431/0974/4789/files/list_of_car_manufacturers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7817/3351/files/afrikaner_cattle.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6268/0984/files/bunejegone.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6577/7059/files/koluzimuwevusubamib.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2819/3184/files/lista_de_antibioticos_de_amplio_espectro.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6636/7895/files/polaler.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3146/8951/files/vikilajivubifibobunujubo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7850/6909/files/baudelaire_poemas_en_prosa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4715/7914/files/nupisutanabisekajilu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3206/8775/files/83757015424.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0451/2625/4745/files/diferencias_entre_aprendizaje_cooperativo_y_colaborativo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9915/2799/files/14167635859.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1534/7103/files/zopusabasirufo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2943/6315/files/corsair_headset_software.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_off0000666b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x666B | 4992 bytes |
SHA-256: 0866145fdfdc0849a3bdcfc33529f5e2111878f8900a2d187b1b673afd00366a |
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font_01_sfnt_off00007762.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7762 | 10104 bytes |
SHA-256: be6536556bba52d7c2982f67854abe0419ebc4582d5cfb20e749338dd9b5bf49 |
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