MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many hosted on disposable domains, indicative of a link farm or phishing lure. The presence of 'vba in office 365' in one URL suggests a potential social engineering pretext. While no scripts were explicitly extracted, the ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware distribution.
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://krisoc.ru/pbw?utm_term=vba+in+office+365 PDF link annotation
- https://tizomunu.weebly.com/uploads/1/3/6/0/136050200/suwuruz.pdfIn PDF document text
- https://wubobuxidozexe.weebly.com/uploads/1/3/4/3/134322977/pexubuf_sometididel_mirajixusune_zafix.pdfIn PDF document text
- https://dojapoxozali.weebly.com/uploads/1/3/0/7/130775013/xiludanawa.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4383471/normal_5fe539f6a536a.pdfIn PDF document text
- https://xefomivor.weebly.com/uploads/1/3/0/8/130814633/moputijokuwu_rugunejorid.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380411/normal_5fd681a88811a.pdfIn PDF document text
- https://nijasofefovo.weebly.com/uploads/1/3/4/7/134719995/jimegusav.pdfIn PDF document text
- https://detajukizupen.weebly.com/uploads/1/3/4/7/134704356/povejeraxowo_ganesa_wujufip_kosoxuz.pdfIn PDF document text
- https://zarujiwimil.weebly.com/uploads/1/3/4/9/134900424/7216308.pdfIn PDF document text
- https://volifinidolil.weebly.com/uploads/1/3/0/8/130873876/375049.pdfIn PDF document text
- https://jowiroluka.weebly.com/uploads/1/3/4/3/134336896/ximiwixu_giwofakej.pdfIn PDF document text
- https://xogosafaxisomig.weebly.com/uploads/1/3/0/7/130739024/kovozigerot_janojine_wazuxoxo_nilorenatigaviw.pdfIn PDF document text
- https://vukijimox.weebly.com/uploads/1/3/4/3/134358494/lumugutot.pdfIn PDF document text
- https://rigavimiba.weebly.com/uploads/1/3/0/8/130814992/9436808.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/9928acaa-4963-4ed4-8f79-0eb37f32f57f/penewukuxokebix.pdfIn PDF document text
- http://balejuw.pbworks.com/w/file/fetch/145066896/duzabemilobedutiwakawig.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8d349a5f-b03e-4063-b12b-4b7fa459b82d/harry_potter_and_the_chamber_of_secrets_trailer_1.pdfIn PDF document text
- http://guleribiko.pbworks.com/f/how_big_do_american_pocket_bullies_get.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/79edec9f-4764-422c-992b-3cd6c3673736/does_kale_and_spinach_help_you_lose_weight.pdfIn PDF document text
- http://jetubabup.pbworks.com/f/aiou_challan_form_for_continue_students.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/553ff67f-b1d6-4dc7-ae79-e6d1e8d520b3/why_is_water_coming_out_of_my_garbage_disposal.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_off0000da02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA02 | 5116 bytes |
SHA-256: beb69f99032f3691d5f8bd1167241115909acf1f30de6baabeeef43262ca8167 |
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font_01_sfnt_off0000eb8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB8B | 10324 bytes |
SHA-256: e2aab3112dde60e52923f9266e54c928be7998de956f34221b95cb3793690dfc |
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