MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous embedded URLs, with one prominent URL pointing to zajinet.ru, suggesting a redirection to a malicious site. The document body, though heavily obfuscated, appears to contain text related to printer maintenance, likely a lure to trick users into clicking the malicious link.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 5
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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 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/strik?utm_term=how+do+i+clean+the+ink+absorber+on+my+brother+printer PDF link annotation
- https://cdn-cms.f-static.net/uploads/4471703/normal_604505113d0b1.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4380674/normal_5fee3560cf750.pdfIn PDF document text
- https://cdn.sqhk.co/madagijoj/ferihgg/crossword_mysteries_hallmark_channel.pdfIn PDF document text
- https://cdn.sqhk.co/rujiwujik/jhictCU/jaxamenemifuvori.pdfIn PDF document text
- http://shopsmmv.site/american_sign_language_dictionary_third_edition91o2p.pdfIn PDF document text
- http://moitender.org/mixer_allen_heath_gl2400_16crrod.pdfIn PDF document text
- https://cdn.sqhk.co/sejaganetaxa/j8u5zgg/beachcomber_hot_tub_model_720_manual.pdfIn PDF document text
- http://kigurumi.org/50961186540racvi.pdfIn PDF document text
- https://cdn.sqhk.co/nafumozuwe/UiaijIM/dokejofagebe.pdfIn PDF document text
- http://ogranifruit.space/66734139274tfljo.pdfIn PDF document text
- http://zoo-taxi.site/root_kindle_fire_hd_3rd_generation_4.5.5.3osbje.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4481831/normal_5fe2712218e42.pdfIn PDF document text
- https://cdn.sqhk.co/babonisu/jhii0if/narozorafajevekexu.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://48b7024d-7414-4593-b44d-ed892b96ad15.filesusr.com/ugd/3e5db3_24867fbc040a49a2b3879a9cb4cb3264.pdf?index=trueIn PDF document text
- https://656adf98-7a81-40bd-8d0f-2b9c27d09201.filesusr.com/ugd/268ab1_1e1ad88d1f0c4d32abef5987dd0a02d6.pdf?index=trueIn PDF document text
- https://2e5cbe44-7de3-4e3f-b94c-8a8567814465.filesusr.com/ugd/f96b02_10d170814ffe44f1ab61a4f5619c354f.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/649d1e16-2adb-4732-92a4-e961ac049f5a/faxesotenudo.pdfIn PDF document text
- https://8cff94d3-ecab-4ea5-ad27-d3e67d02fd32.filesusr.com/ugd/2813e2_c18c4f4f2939419996413cd5b2527cc4.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/fcd7716d-f402-4221-a9e7-8f22f9bd528f/is_ipad_mini_5_worth_it.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b7ec66d1-27c1-4ac3-b23b-2055dd13b518/how_to_study_for_your_permit_test_in_tennessee.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ff1ee288-9397-4a67-8f7c-aab9e45aea4b/dd_5th_edition_class_guide.pdfIn PDF document text
- https://20996a60-9695-4f45-8fdb-44bdc783da55.filesusr.com/ugd/c57cae_36e76f187ff14680a8050cf2daae7186.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/634a279d-6936-4331-b8e7-f1c27ef7db20/rilojiseded.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f28d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF28D | 5460 bytes |
SHA-256: 8f46806cd0f18a35336c8e86c399d3bccd807a7b3f831099e301ddbbcf11f595 |
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font_01_sfnt_off000104f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104F2 | 10812 bytes |
SHA-256: ab81f0d6426ada5d793e6c784a0027aa536d18e0f46441b708a015fb42f63d63 |
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font_02_sfnt_off000129ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129BA | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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