MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing operation. The document body, though heavily obfuscated, contains references to 'esl comments for adults' and is likely a lure to direct users to malicious or deceptive websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 6
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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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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://krisoc.ru/pbw?utm_term=esl+comments+for+adults PDF link annotation
- https://xefosujusiro.weebly.com/uploads/1/3/4/0/134042031/zonineriwu-pidewitexu.pdfIn PDF document text
- https://tarakemutelomul.weebly.com/uploads/1/3/2/3/132303353/dezufiru_kuvejewa_zadiwax.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393632/normal_60153986107f5.pdfIn PDF document text
- https://menelaxewo.weebly.com/uploads/1/3/4/3/134362368/189182.pdfIn PDF document text
- https://gogozugibijom.weebly.com/uploads/1/3/4/3/134369614/4b6c32347f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417315/normal_6036a1da17d1f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4369189/normal_5ff26bbfb4117.pdfIn PDF document text
- https://weziriditovi.weebly.com/uploads/1/3/4/1/134108838/733301.pdfIn PDF document text
- https://rutepoger.weebly.com/uploads/1/3/4/5/134509459/ratiros.pdfIn PDF document text
- https://rizomoxus.weebly.com/uploads/1/3/4/5/134589692/6555668.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379374/normal_60560ebe9e6cd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380068/normal_604ef39ff2138.pdfIn PDF document text
- https://vanevuzitikuge.weebly.com/uploads/1/3/4/5/134588875/lugejozumuzinabaxo.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/a8a9cc8a-c910-4d2c-a8e8-61bf97ac6bea/how_to_use_a_cavitation_device.pdfIn PDF document text
- http://runavepekid.pbworks.com/w/file/fetch/144900474/bovufajijonosixokoma.pdfIn PDF document text
- http://xetuduju.pbworks.com/f/iyengar_yoga_sequence.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5dd5b348-ae1f-4f1a-aaa7-1a53e4874882/43475091599.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b8d91d67-c360-4a58-bc33-3754aafec8b6/airtel_postpaid_bill_check_online.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9b6dd98e-d6b9-42e5-aede-16bbd6d3dfc5/nejebituzebilakeliz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/25836ca7-88b1-438f-8577-a45b2adb2fdd/bonang_matheba_book_download.pdfIn PDF document text
- http://nerobedevu.pbworks.com/f/pokemon_soul_silver_randomizer_nuzlocke_download_ita.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0f7e8918-1936-4223-a486-2082bb31073b/37885988819.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/984e3eda-60a5-4f87-95b3-b19691b04147/62417973310.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_off0000e1eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1EB | 5124 bytes |
SHA-256: 032786e4e736a6a77eafecc98cbb14bf25189676ac6f572a9b687e3544474341 |
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font_01_sfnt_off0000f345.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF345 | 10036 bytes |
SHA-256: 266d85087ca84ec226aac71a76078e48b538bfdcd41fa1e7d1af1b8e607b4454 |
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