MALICIOUS
216
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, many pointing to what appears to be a link farm designed for SEO manipulation. The primary malicious URL, 'https://mezovuduw.ru/award?keyword=3rd+grade+math+fractions+worksheets', is flagged as a redirector for free-download phishing. ClamAV also detected this file as 'Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0', further indicating malicious intent. No scripts were extracted, but the structure and heuristics strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
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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://mezovuduw.ru/award?keyword=3rd+grade+math+fractions+worksheets PDF link annotation
- http://raxejudesezix.scienceontheweb.net/tokyo_ghoul_release_date_anime.pdfIn PDF document text
- http://kino-vezde.ru/zetevudovhzdp3.pdfIn PDF document text
- http://fsbsiod.com/convert_units_of_length_worksheetkz2bk.pdfIn PDF document text
- https://lakafoxure.weebly.com/uploads/1/3/4/2/134266374/7e3eeb6.pdfIn PDF document text
- http://forpost-electrica.ru/zonetatukubemogisupituobwt.pdfIn PDF document text
- http://wivevadevenumet.mywebcommunity.org/83278127655.pdfIn PDF document text
- http://suvuxivenorum.mypressonline.com/papavibagekab.pdfIn PDF document text
- http://13millions.store/central_diabetes_insipidus_guidelinesva45b.pdfIn PDF document text
- http://vinnipoh.space/14678282540mwrbk.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/vudivuzakal/dogojijirarirekepoxewine.pdfIn PDF document text
- https://s3.amazonaws.com/ladojenefe/duratavuronoxap.pdfIn PDF document text
- https://s3.amazonaws.com/kulinisokakewi/dear_diary_anthony_ramos_sheet_music.pdfIn PDF document text
- https://s3.amazonaws.com/zarevizebi/payment_gateway_integration_android_application.pdfIn PDF document text
- https://s3.amazonaws.com/vigevot/black_ice_r6_phone_case_iphone_7.pdfIn PDF document text
- https://s3.amazonaws.com/tinezedu/34990955149.pdfIn PDF document text
- https://s3.amazonaws.com/bufipevuril/61255136584.pdfIn PDF document text
- https://s3.amazonaws.com/mizeteb/4369647631.pdfIn PDF document text
- https://s3.amazonaws.com/xamibebulosaxug/before_the_throne_of_god_above_lyrics.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_off00011197.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11197 | 5628 bytes |
SHA-256: c314b5d7b80ffc79fad6835e335c3aac04e4e7ef2aea794d7dbb658515ce5776 |
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font_01_sfnt_off000124ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124AB | 10112 bytes |
SHA-256: f6a61e8c4bad4d5a640afce9d2f2c049d5a69e496cb15ac06e73689a6a8e8994 |
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font_02_sfnt_off0001478a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1478A | 16176 bytes |
SHA-256: c392189ff328babef707e661744462cf1107ff2c7c99b7449997d6791772008b |
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