MALICIOUS
104
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is a PDF containing an embedded URL that leads to a suspicious domain, identified by ClamAV as Pdf.Phishing.Trojan. The ML classifier also flagged this PDF with high confidence. The document body, though heavily obfuscated, contains references to 'Gb whatsapp old version uptodown', suggesting a lure to trick users into downloading a malicious file or visiting a phishing site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
Heuristics 5
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://midufefew.ru/123?utm_term=gb+whatsapp+old+version++uptodown PDF link annotation
- https://cdn-cms.f-static.net/uploads/4423453/normal_60309441a2543.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416151/normal_5fe7a841286f6.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4401723/normal_5ffff779225f5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4377112/normal_603218017934f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4490123/normal_5fdf4cb9215f0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417543/normal_602525980b3cd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383321/normal_5fe7eb95a5ee2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4489045/normal_600d49d90f24e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421934/normal_602920a9a5c8a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403264/normal_6064dc515d09a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4492897/normal_5ff691efc635c.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4423154/normal_5ff0ea90b456a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465688/normal_606ea786b95c3.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4414360/normal_5fcc40f5a6514.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/50d12e05-0e64-41e5-b0bd-66aec25c6b0d/does_dell_precision_m4800_have_a_camera.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f43fc19e-9b16-46bc-b564-ae85063b2466/what_is_research_methodology_according_to_different_authors.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d4514332-1817-4821-89eb-58f209473ff7/60169214199.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/086297f8-1f22-42aa-9ae4-bec47cae33e4/gifedetuzarexaxobufupex.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b0f2ff04-0b18-4c90-b8aa-a972484a04be/61564907801.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/04797383-3ffb-4388-bc57-53341db9d581/83704234645.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a065653a-6628-42b4-bf77-bfefa8fdd748/18925052517.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cced6563-7ad1-40ac-ab7a-85d5d06cb31f/69802908252.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cd21cb51-b69a-45f8-845d-8923822d1fe8/how_to_assemble_cuisinart_dlc-10_food_processor.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a90c8e04-69c0-47a5-83f9-8ca5f58e57f8/resume_format_for_freshers_in_ms_word_with_photo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d01417e2-1c0c-42d7-a43a-3cb3298bc42b/sentry_leather_black_album_nixon_watch.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/80591ffc-44e6-4e7f-8c64-106c176ef72e/kukubovunotavebofexasogi.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_off0001154a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1154A | 5372 bytes |
SHA-256: 0755988345d1a9da17824b49c86311b41ebe346018cdeb333a5cc6b701f6644f |
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font_01_sfnt_off0001279b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1279B | 11064 bytes |
SHA-256: d3d4332e2d489018fe5a4a65766d3aa97f244647528ce834e0773abea36d8655 |
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font_02_sfnt_off00014d6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14D6A | 16312 bytes |
SHA-256: bf8f9ece8d9d74ce2d7a98a07ee1bb8f4056faf702b3b1702118181e85f1b939 |
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