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 0.9998
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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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://xezojetit.ru/123?utm_term=backup+service+apk PDF link annotation
- http://cenderaoriginator.com/10182662214tjjux.pdfIn PDF document text
- http://cosmeteca.com/the_grinch_poem_christmas9x1u5.pdfIn PDF document text
- http://vopugixeroramox.medianewsonline.com/sivapuranam_thiruvasagam_lyrics_in_tamil.pdfIn PDF document text
- http://rubewox.sportsontheweb.net/52141933105.pdfIn PDF document text
- http://grenkasalo4.xyz/excel_for_dummies_free_download47nj6.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://xawiwevivuzox.onlinewebshop.net/78014068332.pdfIn PDF document text
- https://992bddda-184d-467f-a815-0165b41a2208.filesusr.com/ugd/69695d_cad8524f3bd6457d8f10992a147ca648.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/968d40f3-1281-4560-8bc0-e49d254d223a/tuzogojagedekamosofomet.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/14a2b65b-4761-42b8-8031-305454a05e78/interview_questions_for_covid-19_frontliners.pdfIn PDF document text
- https://87164119-88a6-4d6d-a72f-b109cf2d88b9.filesusr.com/ugd/bd0a66_59aeb8ece3424a9f8ce340adc9417b89.pdf?index=trueIn PDF document text
- https://8eeb1f0a-0cdd-4c66-98a4-83777b49fb54.filesusr.com/ugd/64f9d2_6952449671614d019807cb7dd78a8195.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/e6e3cec1-0c75-4fcc-abbb-e42fc587491b/tixiwewipanigadenixe.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b49bb147-7716-49b6-a7a2-75d2d0ed29ab/21134923433.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/82e3c2ac-cf78-40de-ad82-06db260021f6/viponibovogosemiderebu.pdfIn PDF document text
- https://c183b790-cb34-49aa-848e-1a9f2b14dda3.filesusr.com/ugd/d8966e_1c07f55757504edbbe64fdfcdb82dc30.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/3689a09d-d387-4887-8d09-b1d610363602/nugusolonapezokaw.pdfIn PDF document text
- https://3745348a-78a0-42d7-8ff4-af2b45bf5faf.filesusr.com/ugd/02631b_32cfe3c1f30f4250a6503e082c42c354.pdf?index=trueIn PDF document text
- https://36c7e617-1221-4173-b726-d5bce2878801.filesusr.com/ugd/610d21_f3db62baf0bd4fe496f60fc7b46c55de.pdf?index=trueIn PDF document text
- http://nijarigu.onlinewebshop.net/woxunowidilosetazotem.pdfIn PDF document text
- https://80b2a579-f9ed-4aa0-b91a-ac3c8973c086.filesusr.com/ugd/353d00_508dcad1959043deacfb879284d35b4a.pdf?index=trueIn 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_off000134cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134CC | 5068 bytes |
SHA-256: 02e792bfae1552b8315d975411fac7c318c1ac3eb7fa91e2b8ce6aa4797f0427 |
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font_01_sfnt_off00014624.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14624 | 11468 bytes |
SHA-256: a22781fc702925b2bda62a51ac73580d056f95b718c86386e0468260a6a16aef |
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