MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains a large number of external links, many of which are hosted on disposable domains, suggesting a link farm or phishing operation. The primary URL, https://xajibur.ru/strik?utm_term=denon+avr-s900w+bluetooth+headphones, appears to be a lure for specific search terms. No scripts were extracted, but the PDF structure itself is used to host and redirect to these external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://xajibur.ru/strik?utm_term=denon+avr-s900w+bluetooth+headphones PDF link annotation
- https://cdn-cms.f-static.net/uploads/4375699/normal_604c9c174b1d3.pdfIn PDF document text
- https://cdn.sqhk.co/goberirud/giNzm1O/xipidefutugajifina.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4529149/normal_5fec4f3ba0240.pdfIn PDF document text
- https://cdn.sqhk.co/rifokinimito/Xhg3OHG/smart_watch_connect_to_apple.pdfIn PDF document text
- https://degadita.weebly.com/uploads/1/3/5/9/135965793/maguwonumogado.pdfIn PDF document text
- https://fejavuwuvumago.weebly.com/uploads/1/3/0/8/130874007/3fa41.pdfIn PDF document text
- https://cdn.sqhk.co/nivurerazusa/iihfhbl/zozowejavefubexuj.pdfIn PDF document text
- https://xuzabuteke.weebly.com/uploads/1/3/1/3/131379980/kegituwo.pdfIn PDF document text
- https://cdn.sqhk.co/gabadifofibo/ggMhhhe/word_square_symbol.pdfIn PDF document text
- https://cdn.sqhk.co/faxiwapa/jjcAhjn/best_pick_up_truck_uk_2019.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4451356/normal_6012262dc1d52.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4424007/normal_603884839d5af.pdfIn PDF document text
- https://vakupakofusiwu.weebly.com/uploads/1/3/5/3/135399484/fuwivukuga.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/f628bcb1-2da3-4b61-89d8-3a78e4ccc55d/pufar.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4f13feb5-467d-43ef-8b71-81888027a0c6/60148000850.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9b4194a2-453b-4015-92c2-70030c224047/wunifunavi.pdfIn PDF document text
- https://s3.amazonaws.com/fowikorejodi/56973563686.pdfIn PDF document text
- https://cbb9655c-b60d-4095-8c1c-bb5f9a2903c5.filesusr.com/ugd/4dd980_c278be073bff4565a5475f0554d0f894.pdf?index=trueIn PDF document text
- https://17673d3b-e5d0-4e0e-8211-f079fadf35f5.filesusr.com/ugd/13ae68_dfb139d8b8b94b7aa2e5d74362525d6b.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/suzujewa/sony_playstation_4_slim_500.pdfIn PDF document text
- https://s3.amazonaws.com/fajixe/google_camera_apk_for_note_4x.pdfIn PDF document text
- https://s3.amazonaws.com/figidireki/80028773767.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7d9eb8c6-8fcd-4206-80af-6effcad5cb36/buvusanuwojojadizemud.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/797f9371-80a6-4e62-ac27-c73402fa100a/58398617474.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_off0001068c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1068C | 5668 bytes |
SHA-256: c4e2724466c0d4171eb6fc106ae7cb7de8353acaa1850fad316d16f7eb7762ee |
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font_01_sfnt_off000119d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119D9 | 12208 bytes |
SHA-256: cbe96b698f2ff808430431e555daee7ebb9cdb31e712c7d0f3ee26cc680ac2f6 |
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