MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to a redirector URL (https://ggtraff.ru/strik?keyword=most+famous+plagiarists). This behaviour is indicative of a link farm designed to obscure the final destination and potentially lead users to phishing or malware download sites. The ML classifier also strongly flagged this PDF as malicious.
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://ggtraff.ru/strik?keyword=most+famous+plagiarists In PDF document text
- https://site-1038944.mozfiles.com/files/1038944/67900885800.pdfIn PDF document text
- https://site-1037079.mozfiles.com/files/1037079/xozuti.pdfIn PDF document text
- https://site-1036743.mozfiles.com/files/1036743/46691719435.pdfIn PDF document text
- https://site-1038575.mozfiles.com/files/1038575/purez.pdfIn PDF document text
- https://site-1037138.mozfiles.com/files/1037138/44170425331.pdfIn PDF document text
- http://files.ccs-foundation.org/uploads/1/3/0/7/130740551/3c82386ed3.pdfIn PDF document text
- http://files.resolve-counselling.org/uploads/1/3/2/6/132695546/funufar.pdfIn PDF document text
- http://metogox.technowledge.com/uploads/1/3/1/3/131398252/zudititosive_jogeda_rawoxevejufegu.pdfIn PDF document text
- http://files.janesboypress.com/uploads/1/3/0/8/130874580/wesozegofenupil.pdfIn PDF document text
- http://files.sunnydaybistro.com/uploads/1/3/1/3/131381225/pejejumopetube-gadijikigefoxod-gogewawi-welokiwatorosol.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/1/0266/8979/8317/files/if_i_was_you_id_wanna_be_me_too.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0492/3018/4601/files/nojujuma.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7098/0245/files/windshield_survey_nursing_paper_example.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0462/2765/2759/files/green_tea_fat_burner_costco.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4467/4455/files/file_system_error.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6214/8763/files/valazujigapunogiliva.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0481/3484/8675/files/manual_gps_trimble_ez_guide_500.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8333/3785/files/google_docs_harry_potter_and_the_sorcerers_stone.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6114/8837/files/tipos_de_lenguas_en_el_mundo.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_off00006eab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EAB | 5228 bytes |
SHA-256: 728d90ad44ea60d8a9a81f383840eaafd7133c6997837f3f8ac7eb66087c9493 |
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font_01_sfnt_off00008069.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8069 | 10120 bytes |
SHA-256: 7ff3dab0440b51439b430df1e4d378f77a8b94e6d50b8b95f75e6e0aebfe5c6a |
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