MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, with a prominent one pointing to 'zajinet.ru' disguised as a search result for 'marine ecosystem food web producers'. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests a deliberate effort to create a network of disposable links, often used for phishing or distributing further malware. No scripts were extracted, but the overall structure and URL patterns are consistent with a phishing or malware delivery lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 5
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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 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://zajinet.ru/wix?keyword=marine+ecosystem+food+web+producers PDF link annotation
- https://cdn.sqhk.co/bizewavaxug/jhghwjc/savexa.pdfIn PDF document text
- https://cdn.sqhk.co/kekumumaxow/iUZkhfH/wufomagotef.pdfIn PDF document text
- https://cdn.sqhk.co/xukigipeduve/jfrgijd/51074640709.pdfIn PDF document text
- http://tijukilebag.getenjoyment.net/wordpress_admin_page_template.pdfIn PDF document text
- http://koponegigat.medianewsonline.com/weber_spirit_210_grill_parts_amazon.pdfIn PDF document text
- http://gopadaxin.mywebcommunity.org/56703175610.pdfIn PDF document text
- https://cdn.sqhk.co/xaselavub/hdgfCie/tesipovuro.pdfIn PDF document text
- https://s3.amazonaws.com/dugibabafod/what_is_interdependence_in_ecology.pdfIn PDF document text
- http://mitimewigupito.mypressonline.com/tabedi.pdfIn PDF document text
- https://s3.amazonaws.com/pilazi/90878831947.pdfIn PDF document text
- https://cdn.sqhk.co/levowexesu/58ibKBP/32120516510.pdfIn PDF document text
- https://s3.amazonaws.com/gezizefefififa/ahsan_ul_kalam.pdfIn PDF document text
- https://s3.amazonaws.com/gitipelut/40831769914.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://2080fafa-2491-4ac3-8118-a138f33bff34.filesusr.com/ugd/822ecd_b8acf9cbbc904abeabfd7202aa98fc7c.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/fc1cc2f4-e881-4894-b724-c9d0e7b7b2b8/80731677581.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5c7253a4-5c3e-48a2-ae38-fd10bf52096d/miwazotunerodumedaga.pdfIn PDF document text
- http://wevedikelu.epizy.com/gudasejalikinidomodu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b416a2b6-3d41-47cc-956a-980b0e7edbca/kulune.pdfIn PDF document text
- http://jeximojela.myartsonline.com/bank_guarantee_and_letter_of_credit.pdfIn PDF document text
- http://kitalanexu.epizy.com/spotify_er_apk_ios.pdfIn PDF document text
- https://b70645e9-42d7-44c6-80f2-f165c8819e8d.filesusr.com/ugd/3f1130_6a5cc8063f044d5d9618fa81de2c60ca.pdf?index=trueIn PDF document text
- http://nusemid.rf.gd/programming_visual_basic_.net.pdfIn PDF document text
- http://sufizewuwavibu.epizy.com/government_petition_template.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/aec7d248-ccc7-4659-9246-7250e7ba22a8/how_to_install_verizon_fios_router_g1100.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000200e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x200E0 | 5492 bytes |
SHA-256: 83b1149c138e1229a94c8f894db986698859b58d5fe9574da277c5d66226e80c |
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font_01_sfnt_off00021382.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x21382 | 15132 bytes |
SHA-256: c5dc9bdcda09d3ef30c2d65984ce55f13d5cdbb67fd442547bec39c403a7014b |
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font_02_sfnt_off0002423b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2423B | 16088 bytes |
SHA-256: b5f1397982530d9e987604a9fc8467d56fd147c09520e12e54de27667870b356 |
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font_03_sfnt_off000256f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x256F9 | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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