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 0.9997
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://nipisod.ru/strik?utm_term=python+3.6+free+download+for+windows+10+64+bit PDF link annotation
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/12e5def5-bce0-408e-87c3-9d356bcfe8d0/46446044544.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9624f397-c41b-4abc-8fe2-28c16cefb0e8/albina_mali-hoevar_colorized.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/47b0cee8-23d9-41df-82ec-0b035056c2d3/51763636878.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f5dbda06-ac3e-4560-b4e3-27d6dd88b209/how_many_words_is_harry_potter_6.pdfIn PDF document text
- https://15e12281-0fef-4bb1-b284-2b61ddec1698.filesusr.com/ugd/6c5390_c942d555e9bd45689525bea89b34c39c.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/d2f4e0af-6d46-4c8c-9a0a-ee51745b0dde/more_scary_stories_to_tell_in_the_dark_book_free.pdfIn PDF document text
- https://ed7c5604-ec0f-4ae6-9d22-6d534b57d154.filesusr.com/ugd/1d5a3f_b1d1f72f549e40dc865a4fb7f6ee783b.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/c269efa5-8268-4022-b8fd-80910551227f/2006_chevy_malibu_starter_relay_location.pdfIn PDF document text
- https://s3.amazonaws.com/genedesowul/casio_alarm_chrono_instruction_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f857a4e0-c8be-43c5-ab4e-4fc9aacb3f3f/rt-n12_password_reset.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/17a63272-d42b-4a6f-bcbe-c8efa2c08ae4/94634902290.pdfIn PDF document text
- https://d78d2789-9aef-4bfd-88be-9093bec910ef.filesusr.com/ugd/87a178_b02e91794c064bf6b579e5395463e574.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/ad15d426-c689-4ecd-b9f8-e05497e9d78d/57580238253.pdfIn PDF document text
- https://s3.amazonaws.com/sojuravewi/sanolevarulogef.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/75176747-4114-4006-818a-e78c5fc94870/how_to_use_the_ml-l3_wireless_remote_control.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2a3f4c5b-66d8-4258-92b8-ddcf05914f3e/vofogefi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7fea9931-2e43-43fd-a764-b97e4cd3dbae/peavey_bandit_112_user_manual.pdfIn PDF document text
- https://ebd73b9a-b255-48a5-b781-2bd84b483b4c.filesusr.com/ugd/956c05_072986887ee34e7486bcc250ad9e4a97.pdf?index=trueIn PDF document text
- https://22e365c6-0853-42e1-82f8-83473bf9c0bf.filesusr.com/ugd/217d68_1a07491a26e3499fbc88b38cf13cae32.pdf?index=trueIn PDF document text
- https://1d942ef5-affb-47d8-8f99-70a3d187b733.filesusr.com/ugd/3283b0_b582523a729341caa01191d78f0878da.pdf?index=trueIn PDF document text
- https://a815f367-2516-4b88-9496-eed07d5c1eb7.filesusr.com/ugd/665c20_48e3b310c0f74219bf82903291b4ef21.pdf?index=trueIn PDF document text
- https://9c43cb74-45e3-47de-9527-fda2e8336169.filesusr.com/ugd/af0aa9_8539776f3f904500b6d15606181115d7.pdf?index=trueIn 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_off0000f362.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF362 | 5964 bytes |
SHA-256: b37b196154128accf390fd2975c899773238fcb5c02b67baecd80817dcfce992 |
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font_01_sfnt_off000107c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107C5 | 10700 bytes |
SHA-256: 72948c747e6551c2843e0efdf0a56a3d51cc251aade4bd36fa5cdbf8ed07bf2e |
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