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 0.9991
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://inwebjor.ru/pbw?utm_term=formato+de+comprobante+de+platicas+para+bautizo PDF link annotation
- https://static.s123-cdn-static.com/uploads/4407064/normal_6008317154c96.pdfIn PDF document text
- https://vorevowupi.weebly.com/uploads/1/3/4/6/134633589/dejugupiwexuno.pdfIn PDF document text
- https://motikefivenigem.weebly.com/uploads/1/3/4/7/134709332/muzijisafazubusobije.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366973/normal_5fefcf7ab9c3d.pdfIn PDF document text
- https://zapidowezagija.weebly.com/uploads/1/3/4/0/134041255/a6c7b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4461505/normal_606e7bf2c5bdb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413012/normal_60465f88371b6.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4469617/normal_6006bc542b00d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481528/normal_600ddd4da5709.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4476015/normal_6050c7695c7f4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465688/normal_601182c9bd5eb.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://risuxujuvu.pbworks.com/f/46438023053.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c59433ae-2652-4954-bdcc-a87d27b366f9/renufoxi.pdfIn PDF document text
- http://bemulopawed.pbworks.com/f/39001573128.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/75531962-87e9-46e9-8657-de0703ff88fd/why_is_appearance_not_important.pdfIn PDF document text
- http://febevolojezu.pbworks.com/f/63965280292.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/74ca59a1-7161-4252-b428-7a799417d2d2/amc_8_2017_results.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/926c6ab0-6e17-444d-9884-8868cbaf3be9/99840610923.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bd7f408c-00dd-456d-a279-a988336c2e11/how_to_find_time_with_distance_and_initial_velocity.pdfIn PDF document text
- http://wojipag.pbworks.com/w/file/fetch/144574317/61584098955.pdfIn PDF document text
- http://kuzimotum.pbworks.com/f/96079372432.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ad7733fd-c985-4f27-b5c5-fbff7f419066/what_is_theory_coding_scheme.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1873dab8-5eb7-4fb5-bb37-f0e49f812283/how_to_show_number_of_characters_in_word_2010.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/506616a8-d7f7-4caa-a76b-91e32bc8ad38/kujobatebotafupuxaki.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_off0000e5f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5F8 | 5364 bytes |
SHA-256: 8399cd5d87e90cf26a354e6a34ec8ffedf61d71c812b6d804e4473c9a456422d |
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font_01_sfnt_off0000f817.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF817 | 12316 bytes |
SHA-256: f00c782c6e9f6a8b9bc4fbeb0eae414a5b55c0e969b146e727575fad6e221252 |
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