MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF file contains numerous external links, many of which point to a link farm hosted on ponafet.ru, suggesting a phishing or SEO-based lure. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of embedded URLs and the PDF_SEO_LINK_FARM heuristic confirm the attack pattern of redirecting users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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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External URI info PDF_URIPDF contains an external URL action
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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://ponafet.ru/strik?utm_term=is+the+apocrypha+historically+accurate PDF link annotation
- http://barbanapoli.moscow/blitz_brigade_gameplay_androidueyr3.pdfIn PDF document text
- http://tokio-2020.fun/wosomop93f81.pdfIn PDF document text
- https://serarabasujuz.weebly.com/uploads/1/3/1/6/131606617/raniperafa.pdfIn PDF document text
- http://itclick.pro/26215592601limp9.pdfIn PDF document text
- https://zewabezasakaru.weebly.com/uploads/1/3/4/5/134593707/vinelidosebu-votopixef.pdfIn PDF document text
- https://jezexubuxerib.weebly.com/uploads/1/3/4/0/134040893/vimidawavakokemiwixo.pdfIn PDF document text
- http://rent-nout.site/lilotekanubigesuwiluwetqboqk.pdfIn PDF document text
- http://bumasujofoj.getenjoyment.net/50940264871.pdfIn PDF document text
- https://wesedujixezibo.weebly.com/uploads/1/3/1/6/131606467/d97e917c9.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/juvosi/44832471355.pdfIn PDF document text
- https://s3.amazonaws.com/vinejivunitego/36846887120.pdfIn PDF document text
- https://s3.amazonaws.com/bokofapig/medisesogirovagusunowitu.pdfIn PDF document text
- https://s3.amazonaws.com/tugumeb/subufizasalolo.pdfIn PDF document text
- https://s3.amazonaws.com/bepukuba/allergy_report_winona_mn.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f0e69dd8-c0f1-4845-93a7-814458a64a74/35898402259.pdfIn PDF document text
- http://gumomexad.onlinewebshop.net/metal_gear_solid_5_phantom_pain_gameplay_ps4.pdfIn PDF document text
- https://s3.amazonaws.com/sonutopexaramuf/54367978527.pdfIn PDF document text
- http://suduxegowur.onlinewebshop.net/jefafibiwofojizafadaj.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/de5c9580-0542-4005-aeb9-2b913740b49e/luweved.pdfIn PDF document text
- https://s3.amazonaws.com/silubebebefuju/android_file_transfer_for_windows.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c7e886a0-d1e3-455c-8fcd-cd4cb6f3f6f0/77348906192.pdfIn PDF document text
- http://femagela.myartsonline.com/agreeing_and_disagreeing_in_english.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/56bbbd4c-3528-4c3e-b725-f620e936c69e/2004_honda_civic_workshop_manual.pdfIn PDF document text
- https://s3.amazonaws.com/dovulavavo/11426061965.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00019379.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19379 | 3812 bytes |
SHA-256: 6278cce3cca24771bf458f73c9f0960b0286a1e0b9afc8aa47483cacad1c2b27 |
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font_01_sfnt_off0001a0fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A0FE | 5060 bytes |
SHA-256: 13fe8ef6926d24b3553a4c883f6fc421cb4e2c8d90fda73f7498cdeee4138018 |
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font_02_sfnt_off0001b235.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B235 | 16432 bytes |
SHA-256: d2a00d02e2c6100f30c7c390b827d0b4e14b5c91aab6e68201b6393eaaa52b13 |
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