MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm designed to redirect users to potentially harmful sites. The primary URL, 'https://midufefew.ru/wix?keyword=chapter+23+series+and+parallel+circuits+answers', is likely part of a phishing or malware distribution scheme.
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://midufefew.ru/wix?keyword=chapter+23+series+and+parallel+circuits+answers PDF link annotation
- https://menafemudiwifog.weebly.com/uploads/1/3/0/8/130813668/lobupojufobep-lubib.pdfIn PDF document text
- https://sinupumu.weebly.com/uploads/1/3/4/8/134893056/0107afb066ad.pdfIn PDF document text
- https://pabametutib.weebly.com/uploads/1/3/5/3/135317572/f3e44f4ccc40a.pdfIn PDF document text
- https://govodiroruje.weebly.com/uploads/1/3/0/7/130775462/retujotevoxavesito.pdfIn PDF document text
- https://bufudelazevel.weebly.com/uploads/1/3/4/7/134734798/sonodosej_kesavudebim_gavif_dogase.pdfIn PDF document text
- https://vakilelem.weebly.com/uploads/1/3/1/3/131379598/9058555bb697.pdfIn PDF document text
- https://povefedonigo.weebly.com/uploads/1/3/1/6/131637150/3c2f92909.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/20b907fd-5b4b-4416-88c1-71e82183643b/69903127409.pdfIn PDF document text
- https://s3.amazonaws.com/kibavutibeved/64307787363.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b4880477-0828-4c14-a3fd-16b2c4f0c733/is_kyoshi_the_strongest_avatar.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a0dcb64b-e31d-4c33-8d87-64bef10f4e24/vowixuju.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cbe44c66-ced2-4ff3-b70d-f5f9bde2861d/what_is_agrarian_revolution_in_the_philippines.pdfIn PDF document text
- https://s3.amazonaws.com/tapelu/values_list_activity.pdfIn PDF document text
- https://s3.amazonaws.com/loranoduzuja/vituj.pdfIn PDF document text
- https://s3.amazonaws.com/jopomodilamego/quantitative_techniques_for_business_decisions_syllabus.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/861c9c54-b8e6-4482-a52e-563c12352867/70298340665.pdfIn PDF document text
- https://s3.amazonaws.com/regufojalojaza/jagopa.pdfIn PDF document text
- https://s3.amazonaws.com/sazariwapa/agri_fab_spreader_settings_for_lesco_fertilizer.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d8487ed7-3b8e-4c89-82de-614dc3db5d6b/bata_que_es_aguda_llana_o_esdrujula.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_off0000cbe7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBE7 | 5456 bytes |
SHA-256: 72197a292fab35beca2faa2c100cc546ff6ebd8a478a3e5d6b4c8373c8fce87f |
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font_01_sfnt_off0000de79.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE79 | 10548 bytes |
SHA-256: 5d9eb5f17473fd0604767dd351b9123b8b0db1a437ddf49deccaab4b55052215 |
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