MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
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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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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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=what+is+aci+318-14 PDF link annotation
- http://kofodotig.sportsontheweb.net/albinismo_oculocutneo.pdfIn PDF document text
- http://lofoporubatul.mygamesonline.org/langston_hughes_brief_biography.pdfIn PDF document text
- http://jelexak.iblogger.org/blink_book_malcolm_gladwell.pdfIn PDF document text
- http://babobekoru.66ghz.com/naming_acids_chem_worksheet_answers.pdfIn PDF document text
- http://nebofimanigi.sportsontheweb.net/learning_english_basic.pdfIn PDF document text
- https://cdn.sqhk.co/gazejuruni/6vyiPA3/zofor.pdfIn PDF document text
- http://kavademive.sportsontheweb.net/skyrim_how_to_make_bashed_patch.pdfIn PDF document text
- http://wujasonuvilo.mywebcommunity.org/cancer_de_prostata_fisiopatologia.pdfIn PDF document text
- https://cdn.sqhk.co/najiligopej/pjiXgjh/bejezonubazopubinaf.pdfIn PDF document text
- http://rabemedexisubis.mygamesonline.org/biguxe.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://f815f12b-539f-4060-8ed9-abd2caada31b.filesusr.com/ugd/ceb2e8_07d4593190fe4c40b0d0fbb5be5484ee.pdf?index=trueIn PDF document text
- https://2703069b-a6ff-4ff9-983c-db139a8d76ba.filesusr.com/ugd/8b61cf_839e43675c3346bbbae3bb13ecd8c7e2.pdf?index=trueIn PDF document text
- https://9ebe8999-295a-4f11-87dc-c96f3e1b46ff.filesusr.com/ugd/8de238_4e51e5affbc3469c870d2b5cb9472004.pdf?index=trueIn PDF document text
- https://161abad2-7de2-49bb-9904-d6e2a620a662.filesusr.com/ugd/2eec94_7c43016b0528424a8ea7589050491516.pdf?index=trueIn PDF document text
- https://f8b57e9d-e272-4783-b6f5-6420e6b93425.filesusr.com/ugd/886b73_94fb99c277f94f1b95581fc7365f97d8.pdf?index=trueIn PDF document text
- http://vurofanosikuga.atwebpages.com/animals_diseases.pdfIn PDF document text
- https://eadb47d6-6712-4ecd-aa5a-2cdcf2d90b86.filesusr.com/ugd/c844bf_eb0f7fa1c946448cad4ff1cc054da8cc.pdf?index=trueIn PDF document text
- https://6fc76513-a17a-4053-940d-bef108f5ea85.filesusr.com/ugd/3a5ef0_e5326b0cead54f84a9aac21b780cd1f3.pdf?index=trueIn PDF document text
- https://ff9dba89-6132-4485-99c2-ace8a2453124.filesusr.com/ugd/c3f59f_3ff77f4231e7446681371c41c8cff631.pdf?index=trueIn PDF document text
- http://zegiwewezenaro.myartsonline.com/what_education_benefits_do_army_reserves_get.pdfIn PDF document text
- http://renoxefi.epizy.com/answering_service_for_directors_salary.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f706.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF706 | 5300 bytes |
SHA-256: 3867ff7443d73463029ff7a5d46850e2581add5bebc449637f860e1937bc8d83 |
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font_01_sfnt_off0001092a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1092A | 13556 bytes |
SHA-256: 938d2c65228a3601e3c4bc7d3909968d89cd4f254964619fe1ed7965a73689d0 |
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