MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous embedded URLs, many of which point to link farms hosted on disposable domains or known malicious redirectors. Heuristics indicate it's a link farm designed to distribute malicious content, with one URL specifically flagged as a malicious redirector. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution via these links.
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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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/wix?keyword=cualitativa+y+cuantitativa+quimica In PDF document text
- https://cdn.sqhk.co/riketumes/GRjfifu/ww2_battle_games_online.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4486548/normal_60135adee9f0d.pdfIn PDF document text
- https://kexujutexaz.weebly.com/uploads/1/3/1/8/131858540/gukaxekibogot.pdfIn PDF document text
- https://cdn.sqhk.co/relulapezele/7XhadhM/vanilla_cupcake_recipe_from_scratch_easy.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4446636/normal_5ff2d2323ddb9.pdfIn PDF document text
- http://papuleni.22web.org/insider_reporting_osc.pdfIn PDF document text
- http://ketosimple.online/what_are_the_4_main_components_of_a_mental_status_examcaawo.pdfIn PDF document text
- https://cdn.sqhk.co/konidadelan/hcjcslV/39225559084.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450864/normal_5fd218380e08e.pdfIn PDF document text
- https://wezefumuge.weebly.com/uploads/1/3/4/6/134614004/gubizesidux.pdfIn PDF document text
- http://gouliwer.online/galactocele_por_ultrasonidogfk81.pdfIn PDF document text
- https://cdn.sqhk.co/kuzaxepigi/bPic2Um/tofonubilirinud.pdfIn PDF document text
- https://cdn.sqhk.co/minamojazi/anhiz2M/huey_s_beyond_burger_calories.pdfIn PDF document text
- https://norusukesalija.weebly.com/uploads/1/3/4/3/134356509/koriridajafese.pdfIn PDF document text
- http://vixidijogaritix.22web.org/critical_theory_dictionary.pdfIn PDF document text
- https://serekarivevug.weebly.com/uploads/1/3/1/4/131407867/saviwobo-zonapefidoxoj-zanibexovuve.pdfIn PDF document text
- http://esclick.pro/74593917620ad86z.pdfIn PDF document text
- http://websecurer.tech/zikurftipj.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://lusiromipu.epizy.com/car_accident_news_report_today_toronto.pdfIn PDF document text
- http://zebigibozudival.epizy.com/excel_template_to_keep_track_of_passwords.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001868a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1868A | 4864 bytes |
SHA-256: eedae20648927f293140ffa82ac82186489616f9d5821a883a3664fbeb1c9182 |
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font_01_sfnt_off00019717.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19717 | 13384 bytes |
SHA-256: 1c4df13dd1a8b0f2a80e103796f55d52d44d7937f455a129041ac5c3c1a714f7 |
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font_02_sfnt_off0001c270.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C270 | 16784 bytes |
SHA-256: c1ce675d4e6b981424d79d70dacba0cf02314c91c8e286fe87f1e5c976596670 |
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