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 identified as malicious. The document body, though heavily obfuscated, contains the primary malicious URL. This suggests the PDF is designed to act as a lure, directing users to a link farm that likely hosts further malicious content or phishing pages.
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.ru/pify?keyword=exercices+articles+partitifs+pdf In PDF document text
- http://files.harrisburghigh.org/uploads/1/3/1/3/131379371/d7ff44.pdfIn PDF document text
- http://kifutov.mindraym5.radiologyequipmentstore.com/uploads/1/3/0/8/130814017/754e38.pdfIn PDF document text
- http://files.haleykatharine.com/uploads/1/3/1/4/131407424/surawojamo_nukobuwumova_botimutin_jadipu.pdfIn PDF document text
- http://zezos.trireflextherapy.com/uploads/1/3/0/7/130776485/litakupag.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/1/0428/0044/7655/files/93917225049.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3210/1543/files/najazobebarikanu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9027/1642/files/kodutobo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5335/0040/files/administracion_de_recursos_humanos_snell_bohlander_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6122/9208/files/doctor_who_season_10_episode_3.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5592/2856/files/gorasazipazonu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6857/1299/files/apartment_building_floor_plans_with_dimensions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8050/6791/files/android_setup_wizard_disable.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/1009/3219/files/update_advanced_combat_tracker.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9875/8557/files/pdf_password_cracker_linux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/9750/3384/files/17298114466.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0444/8894/9927/files/spell_check_acrobat_pro.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7689/5398/files/jodomaxowevifu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/0766/1464/files/python_logging_syslog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9229/6359/files/dadotalaxeduwuvekodogi.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_off000077b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77B0 | 5172 bytes |
SHA-256: 9dd25e65fe4707bad0225bc0af2fe093d07628842d887248143f6422802119c7 |
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font_01_sfnt_off00008965.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8965 | 12560 bytes |
SHA-256: 839b119702b55c5a60bd0072c45da20115cdc2f28fbe13a21f94f8cf470662b3 |
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