MALICIOUS
284
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF document is identified as malicious by multiple heuristics and a machine learning classifier, including detections for malicious redirector links and a link farm. The document's content, despite being heavily obfuscated, suggests a lure to install a browser extension or update, a common social engineering tactic. The embedded URLs point to various disposable hosting services and a known malicious redirector, indicating a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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://yafferge.ru/aws?utm_term=beep+codes+viewer In PDF document text
- https://bevozuvegala.weebly.com/uploads/1/3/3/9/133999301/8758070.pdfIn PDF document text
- https://wovigapugup.weebly.com/uploads/1/3/2/7/132710676/4490441.pdfIn PDF document text
- https://jerupixudenaxi.weebly.com/uploads/1/3/1/4/131437293/7998738.pdfIn PDF document text
- https://babipuwoze.weebly.com/uploads/1/3/4/8/134865032/ddfdb688e1c.pdfIn PDF document text
- https://pudasebedizut.weebly.com/uploads/1/3/4/5/134587980/9879837.pdfIn PDF document text
- http://hookup154.online/mamakijinumurodajejaragiswrksp.pdfIn PDF document text
- https://lazumuron.weebly.com/uploads/1/3/4/8/134863931/kikunazadukovuv.pdfIn PDF document text
- https://jitipukojid.weebly.com/uploads/1/3/4/7/134707402/ginatadedafadu-pelenabifen.pdfIn PDF document text
- https://fawewetipe.weebly.com/uploads/1/3/1/3/131379545/93414cf857c37.pdfIn PDF document text
- https://powufekati.weebly.com/uploads/1/3/4/0/134012492/rediju.pdfIn PDF document text
- https://vekatugid.weebly.com/uploads/1/3/4/5/134592715/vomorivak.pdfIn PDF document text
- https://cdn.sqhk.co/befozaxulot/hhngfid/italian_radio_classical_music.pdfIn PDF document text
- https://cdn.sqhk.co/wavudasawete/OHjiNQi/satewakulepi.pdfIn PDF document text
- https://kexiberuvulom.weebly.com/uploads/1/3/1/4/131409574/jutetedufafuwonoru.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/kegovev/86589308394.pdfIn PDF document text
- https://s3.amazonaws.com/risalenefazozo/dekegexufafu.pdfIn PDF document text
- https://s3.amazonaws.com/fasomusogapovi/zusuzan.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_off0000d75f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD75F | 4628 bytes |
SHA-256: b84c27a4499fcebfcf4fd7d9a6cc5eb1ab7f15290c5db32c8aa279c3b8546d6e |
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font_01_sfnt_off0000e730.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE730 | 10616 bytes |
SHA-256: 3af4bfad20599f7e7ef551d5f9d0908d387c51000b49fdeab380e7f286a02b9a |
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font_02_sfnt_off00010b73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B73 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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