MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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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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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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/123?utm_term=bacteria+cell+wall+pdf PDF link annotation
- https://sojakibozalejew.weebly.com/uploads/1/3/4/7/134747186/perifezokoxumagimudi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4448539/normal_6046697c0f07e.pdfIn PDF document text
- https://motutipe.weebly.com/uploads/1/3/4/6/134674000/ed1ece42.pdfIn PDF document text
- https://vosaxoro.weebly.com/uploads/1/3/4/4/134469305/nimapoguxuk_kofafero_mixixim.pdfIn PDF document text
- https://wiwazalokapig.weebly.com/uploads/1/3/4/2/134265383/kikigozisoluluvudu.pdfIn PDF document text
- https://lenukadizavubo.weebly.com/uploads/1/3/4/4/134492519/8ca0d2034b2d.pdfIn PDF document text
- https://soferivajateru.weebly.com/uploads/1/3/4/6/134650686/29bff64dd3227.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4493545/normal_602b11c78a660.pdfIn PDF document text
- https://static.s123-cdn-static-d.com/uploads/4422890/normal_60b5f327e52af.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://bunemirudezo.pbworks.com/f/iamsar_manual_2019_free_download.pdfIn PDF document text
- http://jizakatum.pbworks.com/f/75094674728.pdfIn PDF document text
- http://pudamalulera.pbworks.com/f/39664671048.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ec19143f-fa32-4f91-82e2-310484f78bce/learn_to_speak_arabic_free.pdfIn PDF document text
- http://jeselivid.pbworks.com/f/what_are_the_3_elements_of_curriculum.pdfIn PDF document text
- http://fokojifidesi.pbworks.com/w/file/fetch/144505572/nopumexunewoxaxig.pdfIn PDF document text
- http://natizasex.pbworks.com/w/file/fetch/144736332/kupamekejivuguxijaliziti.pdfIn PDF document text
- http://jifesepapo.pbworks.com/w/file/fetch/144709416/68464813299.pdfIn PDF document text
- http://rubepikonot.pbworks.com/f/53479909966.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ab8d4edc-fb1d-4dcc-a274-0e6d3114f338/14041016036.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e5438ddf-b090-4ef4-9a4c-3f2fdac84798/are_all_samsung_remotes_universal.pdfIn PDF document text
- http://noxiwako.pbworks.com/f/most_valuable_tintin_books.pdfIn PDF document text
- http://mefijunov.pbworks.com/f/85103013344.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_off0000ef5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF5B | 5112 bytes |
SHA-256: a6cb762b3e0f568533f2a235abbc1d9706b9a73e399eda50d29f155580d324bc |
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font_01_sfnt_off000100e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100E7 | 11216 bytes |
SHA-256: a6c4156060d65d79f2fb69f4ce838acc80bee9e50bc3d23d0d0c05b49e18cef7 |
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