MALICIOUS
194
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 and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://medvor.ru/pbw?utm_term=cbse+class+12+computer+science+book+pdf+download+2020 PDF link annotation
- https://papokekes.weebly.com/uploads/1/3/4/5/134599002/rakek.pdfIn PDF document text
- https://tadiseregofinu.weebly.com/uploads/1/3/4/7/134748358/zajufunidize-kejenigikodusaf-wenikilozew-xapedolemizimar.pdfIn PDF document text
- https://senugosuka.weebly.com/uploads/1/3/1/4/131454109/9835201.pdfIn PDF document text
- https://vakofariz.weebly.com/uploads/1/3/1/4/131438137/tizuduzomeli-sixaxepunemokut.pdfIn PDF document text
- https://galexoraka.weebly.com/uploads/1/3/4/5/134524836/5e17c5efe00d9b8.pdfIn PDF document text
- https://zuvixane.weebly.com/uploads/1/3/0/9/130969636/suselazuz_mewumelogejo_jovekawinesum_piresifezowa.pdfIn PDF document text
- https://sojurepew.weebly.com/uploads/1/3/5/9/135992925/9880451.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/3dc03252-66ac-4ea4-9248-74af3beb0bf7/nesifokunuribufoberoma.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d614862c-4197-4f8c-80b1-0916e8255d92/lotozugifogetosiv.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/874e6762-1353-435a-8dc5-4417640fb40a/lisuxutorinelovevejaj.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6367d1f7-e049-40c8-aacd-7115cee16402/likekepalate.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/10e3d5dd-2776-4076-b184-4ec81b8273d6/dobosegifi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c1a21dad-4f56-4b2f-adb9-50ee878b2276/zufejadobimekeziv.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6548f79c-ca22-4a80-9807-dedd8230df49/nijujok.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e0fb9bca-9bc3-425c-8e6a-e7a4ba7a0973/hd18q_mxq_amlogic_s805_firmware.pdfIn PDF document text
- http://tarogifere.pbworks.com/f/what_is_your_true_zodiac_sign.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/eb8aecd0-c06b-4892-9108-41075a007eec/occupational_health_services_nyu_langone_brooklyn.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8254bd36-a88b-4682-a35b-4a354131b663/rama_judicial_consulta_procesos_por_numero_de_cedula.pdfIn PDF document text
- http://wisarazed.pbworks.com/f/download_wwe_2k14_for_android_highly_compressed.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c734bff6-3999-4f94-b5d4-0ae00559e759/28396606538.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_off0000d6d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6D0 | 5828 bytes |
SHA-256: 62274d70df9fa9ee5bd8ee1a4d4f1cfb6e0eb20d79c76525852fc36243033a19 |
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font_01_sfnt_off0000eaa5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAA5 | 10572 bytes |
SHA-256: 619471106d7a0c680fec210aa918bfcf7ba3486e20e54c7e857b40c1ce45b232 |
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