MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating it is likely a phishing or trojan distribution vehicle. The document contains a large number of external links, many pointing to other PDF files, suggesting a link farm or SEO manipulation tactic. The primary purpose appears to be directing users to potentially harmful content hosted on external domains.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://bologen.ru/123?utm_term=nurse%2527s+pocket+drug+guide+2015+pdf PDF link annotation
- https://static.s123-cdn-static.com/uploads/4366401/normal_5ff26cdc768f1.pdfIn PDF document text
- https://cdn.sqhk.co/wudawagirus/dhiqQge/givutuxemizunujanedimal.pdfIn PDF document text
- https://cdn.sqhk.co/donuvoduvedo/fmehaj8/hello_dolly_songs_in_wall-_e.pdfIn PDF document text
- http://gojoges.iblogger.org/the_satanic_rites_of_dracula_english_subtitles.pdfIn PDF document text
- https://dabelebixoxo.weebly.com/uploads/1/3/5/3/135310161/8930598.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4422918/normal_5fe83d3ce10ba.pdfIn PDF document text
- https://zukuvexoxowi.weebly.com/uploads/1/3/4/5/134597017/7417385.pdfIn PDF document text
- https://voruvagozi.weebly.com/uploads/1/3/4/7/134742827/nezexegurivo_zugap_jabedumutel.pdfIn PDF document text
- https://cdn.sqhk.co/kugefiruxat/chf5ezh/20585997561.pdfIn PDF document text
- https://tojuxumisadef.weebly.com/uploads/1/3/4/7/134714483/feloxatuvewoxibuzare.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4476281/normal_602aea49d7d0d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4486971/normal_6002c59b31d8e.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://200ee3fc-349d-4871-b5c3-2c1c69b60476.filesusr.com/ugd/7b00a0_e2f92d5672074a409c01e4b38fdb70c3.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/xupovobejanam/siteduraf.pdfIn PDF document text
- https://6d706a39-1f93-4f1a-9423-caccf7e65e71.filesusr.com/ugd/69f91f_2e1c797346034318a980ed7688834924.pdf?index=trueIn PDF document text
- http://xasezujagabef.epizy.com/21671245040.pdfIn PDF document text
- https://s3.amazonaws.com/dewazewokib/mustache_template_list_of_strings.pdfIn PDF document text
- https://s3.amazonaws.com/sojebelevenex/gimigutifanakar.pdfIn PDF document text
- http://najefitisefema.epizy.com/4975565222.pdfIn PDF document text
- https://s3.amazonaws.com/tolivajupeku/what_is_world_mythology.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_off0000d937.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD937 | 5596 bytes |
SHA-256: 952aed4a25d582b032d12da1c44c9a72144a8611e38b81afe41df2e6561677ee |
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font_01_sfnt_off0000ec7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC7F | 10960 bytes |
SHA-256: e7ff93a30db4a9a329850f0ef135969e040d48e5da662d96914342739879703a |
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