MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
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 0.9988
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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Image-heavy PDF with invisible link to suspicious domain high PDF_SUSPICIOUS_LINK_LUREPDF is a small image-heavy lure with invisible link annotations that send the user to a suspicious high-risk-domain URI. This matches credential-phishing carriers where the visible document is only a prompt and the real collection flow happens on the linked website.
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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://resalured.ru/wix?keyword=biology+chapter+8+review+answer+key PDF link annotation
- https://xajerunufunofe.weebly.com/uploads/1/3/1/3/131378991/3696581.pdfIn PDF document text
- http://guparob.mywebcommunity.org/95984847091.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446263/normal_6054f45a90414.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370270/normal_6039f8a872197.pdfIn PDF document text
- https://tovorugezix.weebly.com/uploads/1/3/4/5/134599805/timurijidexeko.pdfIn PDF document text
- http://front-glass.website/41653870874gbldi.pdfIn PDF document text
- https://wovugozota.weebly.com/uploads/1/3/2/6/132695813/pukaxalizosisedesub.pdfIn PDF document text
- http://carinsusa.info/spectrum_math_workbook_grade_8_free92cvz.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4448103/normal_606427dc90506.pdfIn PDF document text
- https://bunixidulot.weebly.com/uploads/1/3/5/9/135964284/pefogugobib-vuperuzoj-morekisezojoj-dakewod.pdfIn PDF document text
- http://lnstagram-support.live/atrial_fibrillation_nice_guidelineqdibm.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4425214/normal_5fcce32d8cad8.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/megulu/47594950966.pdfIn PDF document text
- https://s3.amazonaws.com/dewazewokib/xomokafodujozigotazuk.pdfIn PDF document text
- https://s3.amazonaws.com/puretulenuza/attention_the_weeknd.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3b9d7259-a11f-4f8e-8301-cb57007d2332/86326465554.pdfIn PDF document text
- https://s3.amazonaws.com/xumakomowi/the_book_thief_part_2_chapter_summaries.pdfIn PDF document text
- https://s3.amazonaws.com/xirixepo/pejizevokazuv.pdfIn PDF document text
- http://wufikemofumop.atwebpages.com/jopiwojuzuxabaludoxij.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6a2d0327-bcc7-4076-a9a7-50c7d2f665ce/equity_asset_valuation_book_and_workbook_set.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e8c59257-955f-410e-a0f4-578825ca3a4e/sejonineji.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ab09455d-6176-4189-865b-41681900bf70/22233082031.pdfIn PDF document text
- http://safedoguno.onlinewebshop.net/absceso_cerebral_en_nios.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f91325aa-280a-4007-9828-0e8feadcac92/early_signs_of_arthritis_in_hands_and_wrists.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000de0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE0B | 5544 bytes |
SHA-256: 7a93a23de5548a120e4b1aa0dedba026c6b675e64ae2ab0d9206e194f7bdaf65 |
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font_01_sfnt_off0000f0e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0E6 | 11100 bytes |
SHA-256: a3b0dbf5a9686d3a286367ad67583c0a1bb5edc70ab874877aa9f82d0e2bec25 |
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font_02_sfnt_off00011669.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11669 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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