MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document is classified as malicious by ML models and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to numerous external URLs, one of which is `https://irlanc.ru/pbw?utm_term=letter+k+cut+and+paste+worksheets`. The presence of multiple external links and the use of disposable hosting suggest a phishing or SEO manipulation scheme. No scripts were extracted, but the document's structure and embedded URLs point towards an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://irlanc.ru/pbw?utm_term=letter+k+cut+and+paste+worksheets PDF link annotation
- https://pakurematumomu.weebly.com/uploads/1/3/4/7/134764434/bikewagoje.pdfIn PDF document text
- https://rarerosedipise.weebly.com/uploads/1/3/4/8/134876587/gabiwudufe_damuvewe_lilalenok.pdfIn PDF document text
- https://zodijezuworid.weebly.com/uploads/1/3/1/4/131483265/vojilekukaxobe-ruzar.pdfIn PDF document text
- https://sujujiga.weebly.com/uploads/1/3/1/3/131379538/jivogesuvi_daroji.pdfIn PDF document text
- https://nupebovewurezo.weebly.com/uploads/1/3/2/7/132710783/pekuzupamobibokalato.pdfIn PDF document text
- https://nemanuvipiza.weebly.com/uploads/1/3/1/3/131398236/juwagekejawi-sipotedom-xotafuxow.pdfIn PDF document text
- https://pubokimaxo.weebly.com/uploads/1/3/4/7/134710154/bibisojulug.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/26f6cce6-6b47-4750-97e7-2c26b0fbec11/kitab_maulid_al_barzanji_dan_terjemahan.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d190eda4-0da0-4535-8f31-86963ddc6944/vozeduzativen.pdfIn PDF document text
- http://lefilep.pbworks.com/f/93884581176.pdfIn PDF document text
- http://lokuwulixit.pbworks.com/w/file/fetch/144613194/how_to_tell_how_old_a_smith_and_wesson_revolver_is.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/56170487-f6e4-46ab-adfa-b7b1ef05ab9a/gapekosutigodu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/58cd4e23-58bf-4883-89b3-e76a56bf6abd/xegemogawupapozufos.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ee72c705-c7b1-40dc-9cc9-f255640755b4/99348072448.pdfIn PDF document text
- http://dejimebez.pbworks.com/w/file/fetch/144420729/the_complete_interview_answer_guide_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1e550ad3-262e-4a80-9f0c-b8d68688d636/certified_ethical_hacker_guide.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a16e5f9a-0d8f-42ad-80ed-9f77afaca421/76637353221.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0fbef08f-9449-4475-a995-a6f2d620bfda/4063894132.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6e27ff24-f11d-44d4-86ee-d23d8833e17a/52892019144.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0ccd7534-432f-4e77-a5e3-353bb142f344/29367241182.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9b5cdcf2-6343-4eab-805f-e3f2a2015ec4/20628202752.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/28111fd6-9ca3-4d1e-a8ef-bd478060bf42/gre_test_fees_usa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/91a8e7d3-38c0-45f3-b52f-2b3d8599b3e2/16389331804.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_off0000e649.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE649 | 5224 bytes |
SHA-256: 4d3ca863d96d754650283a085736c1b2e76322abebb7bd80737fb1d89c20aae0 |
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font_01_sfnt_off0000f820.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF820 | 11580 bytes |
SHA-256: 90fc2f250e00db3e2786bf66a39ea1e5ec4e0e0ac8b61d758d3b8a2308fa2651 |
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