MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to external PDF files hosted on disposable domains, suggesting a link farm or SEO poisoning tactic. One critical heuristic identified a link to known malicious redirector infrastructure, indicating a potential phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly support the malicious verdict.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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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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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://crophysi.ru/wix?keyword=district+79+nyc In PDF document text
- https://xogukozatakik.weebly.com/uploads/1/3/1/4/131453421/kupewulejebeg.pdfIn PDF document text
- http://lazezubeb.22web.org/mifafomujen.pdfIn PDF document text
- https://nufupegovofa.weebly.com/uploads/1/3/4/1/134131424/lopikesebanew_garigop_ribudewivon_doziwokejunisow.pdfIn PDF document text
- http://visiblawty.com/what_is_a_systematic_review_of_literature_examples4auu.pdfIn PDF document text
- https://wotawodakel.weebly.com/uploads/1/3/5/3/135316359/5019944.pdfIn PDF document text
- http://vofamewa.22web.org/29696843908.pdfIn PDF document text
- https://tokafiwunan.weebly.com/uploads/1/3/4/3/134372509/863f27b39.pdfIn PDF document text
- http://microbestdigitalmeter.xyz/54777976744wz2n4.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/b4396efa-c9fe-4abc-a14d-ba58f02a644a/gsm_intelligent_alarm_system_manual.pdfIn PDF document text
- http://niwibobimitezof.epizy.com/beaux_arts_magazine.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/82cf195e-4cd7-41f3-b4b0-ce2377d8652b/1986_mercury_9.9_outboard_parts.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/50bfc36f-f485-498c-8d16-a314b3953610/koximefa.pdfIn PDF document text
- https://b3a8b944-ddec-4d17-9b53-5a1c05c66d8c.filesusr.com/ugd/314503_0e52aedda56a4d76a4957973825ff7a3.pdf?index=trueIn PDF document text
- https://6bc61794-ec17-45f1-96eb-8bed4cd57308.filesusr.com/ugd/217b8a_30dd568c83264a719b174430993753d9.pdf?index=trueIn PDF document text
- https://e301b21f-f707-426c-a094-6199d4b1a2d6.filesusr.com/ugd/f65518_0b35161fc5dc493b830b5fbfb6f69fbb.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/14c112d9-b189-407b-8c97-969ad770a9ee/can_maya_open_obj_files.pdfIn PDF document text
- https://c064424b-11a8-4e39-a524-24a74bcd733d.filesusr.com/ugd/54e393_8f946ab1295c45d9a6ef384d320f63f5.pdf?index=trueIn PDF document text
- http://leribilif.rf.gd/26424670770.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_off0000f742.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF742 | 4888 bytes |
SHA-256: dcaddf85103c49a9110fa0ddfaacd521a6ced09c865a7ae7adf6a388cce8bf1b |
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font_01_sfnt_off00010809.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10809 | 10644 bytes |
SHA-256: 743552259dece4473bbc911f858c5d02b74f9abcc3ff0eecadce6b09807b8233 |
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