MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of embedded URLs, many of which point to suspicious domains and are flagged as malicious redirectors or part of a link farm. The ClamAV detection and ML classifier further support its malicious nature, indicating it's likely a phishing or SEO spam distribution mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://yafferge.ru/award?keyword=functional+analysis+theory+and+applications+edwards+pdf In PDF document text
- http://deduwewelu.iblogger.org/84235203599.pdfIn PDF document text
- http://nekevofitoruzat.22web.org/32269855750.pdfIn PDF document text
- http://verenica.net/66825595083s2c3f.pdfIn PDF document text
- http://znalomstvavip.site/paying_for_it_chester_brown2brkv.pdfIn PDF document text
- http://callup.today/variante_bac_chimie_anorganicak9woj.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/5ed7b00e-dab1-48d0-b8ed-af04be669ad3/what_not_to_eat_when_detoxing.pdfIn PDF document text
- https://883cd1dc-02d0-4059-8fa2-99201f92b631.filesusr.com/ugd/6166c9_57993ee845d742218430e063dd6246cc.pdf?index=trueIn PDF document text
- https://bd7a0a6f-bbfd-49cc-ba41-c3f2778102d9.filesusr.com/ugd/9ea91e_9815c5bc34a64d4db6943be84b22b5f9.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/254afbd2-b0f7-4780-a537-b9edfe18edf6/91284033337.pdfIn PDF document text
- http://deketinak.rf.gd/salesforce_user_last_login_report.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1d345bee-dfda-4735-b51b-916c7f682a51/48933111787.pdfIn PDF document text
- http://tereralubo.epizy.com/blackfin_walkie_talkie_owners_manual.pdfIn PDF document text
- https://ef4b221f-cfb4-47e8-bf1d-3b5092770df7.filesusr.com/ugd/4948da_eb33ce2db66a4f99bb6c884739fbccb1.pdf?index=trueIn PDF document text
- http://pizigafonemowu.rf.gd/opera_internet_browser_windows_7.pdfIn PDF document text
- http://bakevojedu.epizy.com/56529465667.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/19ba3f3d-40a9-47ff-ac16-e60627e4d9c2/why_isnt_my_rca_remote_working.pdfIn PDF document text
- http://jebufatibakuv.epizy.com/36575364605.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2e520c4d-8eff-4581-820b-9bcd31468046/63521994684.pdfIn PDF document text
- https://da18e6a8-d720-42de-a88c-3f13daad7efb.filesusr.com/ugd/08fe48_8f04e26acb0145f389e63d90213ee529.pdf?index=trueIn PDF document text
- http://fufabufitilaf.epizy.com/popebemunugomevobamokebef.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/721de36a-72e7-4213-9014-f9ba3e9efa9a/99730896125.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/780e4930-1e64-410a-be27-cf50b3ed0dec/kafowobetomovavozebamavi.pdfIn PDF document text
- https://0dd4521b-3e41-4083-9bcc-807cce03ae78.filesusr.com/ugd/cfe2e9_ab2fa3bb4f224e72887d0d6ca36fc9d9.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_off0000e8b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8B3 | 5392 bytes |
SHA-256: b8386449facc1a806d95a57d29f641a62ec79784632333e96b57bc3bc248ee54 |
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font_01_sfnt_off0000fb23.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB23 | 10948 bytes |
SHA-256: eca9e2e03ad31ad56a3027cd4c24a58d431e9daff32d71a6257623fcbb214f6c |
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