MALICIOUS
186
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. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://wastran.ru/pbw?utm_term=landforms+matching+worksheet+answers PDF link annotation
- https://cdn-cms.f-static.net/uploads/4470837/normal_600e217b66829.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393761/normal_604412f2d19eb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381976/normal_6041ecc800983.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4409254/normal_5fedd15c12faf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450240/normal_601f817c48505.pdfIn PDF document text
- https://vasuwogi.weebly.com/uploads/1/3/4/0/134017955/molinizoba_dovaf.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4393016/normal_5fc82919edaba.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4468289/normal_5fdf99664da60.pdfIn PDF document text
- https://wimuwiberajiwas.weebly.com/uploads/1/3/5/9/135965043/690c30b30.pdfIn PDF document text
- https://puvedevedumu.weebly.com/uploads/1/3/1/4/131406841/177699.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379043/normal_606a539595e7a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4427526/normal_5feb4cc006284.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470399/normal_6054e9abbe11f.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://nebapelamive.pbworks.com/f/mofamedomepofifigomibow.pdfIn PDF document text
- http://nitezug.pbworks.com/f/how_to_eat_fried_worms_book_chapter_summary.pdfIn PDF document text
- http://nigezid.pbworks.com/w/file/fetch/144423738/nagin_dance_nachna_mp3_song_download_bestwap.pdfIn PDF document text
- http://sijomirurefi.pbworks.com/w/file/fetch/144460914/disable_low_battery_alert_on_android.pdfIn PDF document text
- http://mifimoruzuwo.pbworks.com/f/does_ltd_mean_limited.pdfIn PDF document text
- http://natofuke.pbworks.com/f/actividades_de_grafomotricidad_para_nios_de_2_a_3_aos_para_imprimir.pdfIn PDF document text
- http://supijexed.pbworks.com/f/biostatistics_for_dummies_free_download.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_off0000dc80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC80 | 5500 bytes |
SHA-256: ccbfe0bc0891d1883d7ab7828356c60e5f18434701150f4a2472b2f1d639828b |
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font_01_sfnt_off0000ef28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF28 | 9868 bytes |
SHA-256: 465bb0c7ff9c81572a1ca5a1c631b9e7aad0efacbb5a4bb45b2021e136266827 |
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