MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, containing numerous external URIs, with one notable example being https://ketchas.ru/pbw?utm_term=houston+free+chat+line+numbers. The presence of a link farm on disposable hosting and the high number of external links suggest an attempt to distribute traffic or potentially engage in phishing or SEO manipulation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://ketchas.ru/pbw?utm_term=houston+free+chat+line+numbers PDF link annotation
- https://garotilalu.weebly.com/uploads/1/3/0/7/130739336/kapumudezarebisa.pdfIn PDF document text
- https://fejenugid.weebly.com/uploads/1/3/4/0/134016750/1843854.pdfIn PDF document text
- https://silodadut.weebly.com/uploads/1/3/2/7/132712229/femetusixariraje.pdfIn PDF document text
- https://vekibapovadivoz.weebly.com/uploads/1/3/0/8/130873848/a1d510a646e2b7.pdfIn PDF document text
- https://fufiwixafuwisu.weebly.com/uploads/1/3/4/7/134770326/f202a3.pdfIn PDF document text
- https://pezibusogesa.weebly.com/uploads/1/3/0/7/130739584/lumiwatarad.pdfIn PDF document text
- https://nupepapuk.weebly.com/uploads/1/3/1/4/131484133/b01a3e884cdf53d.pdfIn PDF document text
- https://rasofenetiko.weebly.com/uploads/1/3/4/8/134862321/5286042.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/abf5ca09-3575-4ca5-963f-beccfd9e6928/harry_potter_free_online_games_dueling.pdfIn PDF document text
- http://pikalunik.pbworks.com/w/file/fetch/144693051/sikuretixororasivu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/deed4c26-137c-4b0b-86b7-a9f1e6812345/what_are_the_side_effects_of_hyperbaric_oxygen_therapy.pdfIn PDF document text
- http://mapijakemifo.pbworks.com/f/fasodorisixorizaguvix.pdfIn PDF document text
- http://nagomax.pbworks.com/f/91002820468.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/deaf9013-b316-4b5f-becf-50a1bcf539f6/dirorofusapudupofifep.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c3eff06e-d9d9-4461-bd45-ebc3bb8d5746/how_to_use_yeti_microphone_with_xbox.pdfIn PDF document text
- http://tijigika.pbworks.com/f/how_to_program_a_ge_universal_remote_cl5.pdfIn PDF document text
- http://nagaxop.pbworks.com/f/lugar_mitocondrial_donde_se_realiza_el_ciclo_de_krebs.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8aacd7d5-4845-4e16-b466-b2549f57b611/problemas_en_paraiso_chapter_4_summary.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/af4d0013-0045-4a69-b44f-0da761296d73/examenes_lengua_5_primaria_santillana_saber_hacer_contigo.pdfIn PDF document text
- http://kafunujazuwo.pbworks.com/w/file/fetch/144726402/zafaxokugivenipimuvenel.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_off0000e7f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7F7 | 5220 bytes |
SHA-256: 00811a3686cca10f8da723e9d33f95d4ed62c8b36a51ba917f215e4ad69e7eb0 |
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font_01_sfnt_off0000f992.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF992 | 10060 bytes |
SHA-256: 26de6d0f1c8d66b093310b813e8becb99c43c42c970131131874ed061776b592 |
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