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-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://inwebjor.ru/pbw?utm_term=how+much+does+bmr+increase+with+exercise PDF link annotation
- https://sizeduxaginota.weebly.com/uploads/1/3/2/7/132712537/6df3cde4c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426270/normal_5fd6545043436.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4451021/normal_5fcf4afeeeee2.pdfIn PDF document text
- https://ziravejutit.weebly.com/uploads/1/3/0/7/130740001/lisuwulufolojen.pdfIn PDF document text
- https://narezivif.weebly.com/uploads/1/3/5/3/135307162/3333625.pdfIn PDF document text
- https://rupibofog.weebly.com/uploads/1/3/1/6/131607232/5054519.pdfIn PDF document text
- https://rasaputale.weebly.com/uploads/1/3/5/3/135323831/razumisimoregaxur.pdfIn PDF document text
- https://zuwumepegowivos.weebly.com/uploads/1/3/1/0/131069935/tiduxe.pdfIn PDF document text
- https://putifetoz.weebly.com/uploads/1/3/7/5/137515519/f7fb15.pdfIn PDF document text
- https://sixapinipuso.weebly.com/uploads/1/3/1/3/131384402/8323998.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://letonepamusi.pbworks.com/f/best_jump_scare_horror_movies_on_hulu.pdfIn PDF document text
- http://xawaren.pbworks.com/f/what_is_tuckmans_five_stage_model.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/546ea0f2-71d7-4ea0-b7e4-92ad224f1799/dimuredikuraden.pdfIn PDF document text
- http://pimepovume.pbworks.com/w/file/fetch/144456690/harry_potter_and_the_chamber_of_secrets_trailer_youtube.pdfIn PDF document text
- http://gosirata.pbworks.com/f/27009015058.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8f54b5b6-eada-4e90-a5c2-79265db6fe39/how_to_get_dataflow_report.pdfIn PDF document text
- http://zepupifob.pbworks.com/f/basit_eitsizlikler_km_sorular_tyt_ayt.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00017534.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17534 | 5408 bytes |
SHA-256: eaf7cd6296b1306d7b4010093984b819377d670ce02d86d39fe5518f4dba3b41 |
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font_01_sfnt_off0001877b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1877B | 12752 bytes |
SHA-256: 393d61887f3c62f914c108c37a4fd5d53b7318d2f1a481fb89ccdaa1b13a61a0 |
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font_02_sfnt_off0001b184.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B184 | 16108 bytes |
SHA-256: 95e8e5f285f36f14333f51f2818dacc976fa185e7add84a322e5fc5cfaea67a0 |
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