MALICIOUS
194
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 and contains embedded JavaScript. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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 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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://maypoin.ru/strik?utm_term=what+is+the+best+doro+flip+phone PDF link annotation
- http://natur-bio.space/traguese_ese_sapo_audiolibroe1h0h.pdfIn PDF document text
- http://lnstagram-blue-ticks.com/panuruvifivizqqrsx.pdfIn PDF document text
- https://cdn.sqhk.co/kuwusemob/ChJqhfz/maxeruzigijuk.pdfIn PDF document text
- http://constructionhouse.info/61964671004vgfty.pdfIn PDF document text
- https://cdn.sqhk.co/jotapepikota/gjfibif/battle_brothers_archers_useless.pdfIn PDF document text
- https://cdn.sqhk.co/zosiwikiw/jgjbhhH/diamonds_imagine_dragons_traducao_whatever_it_takes.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/99383f8e-78ec-4571-8234-6230c95a1145/fofag.pdfIn PDF document text
- https://7abbf572-6989-4614-8246-9d5ba34cd238.filesusr.com/ugd/af841b_420b12b91961435d9b214c47443af2de.pdf?index=trueIn PDF document text
- https://081e7fb2-604d-424b-9b75-a58d54a71a44.filesusr.com/ugd/abd6ea_2b2048a793154933a065fbcdc1bd0950.pdf?index=trueIn PDF document text
- https://87b84290-c0b3-4c73-97a1-3d59c64c3f69.filesusr.com/ugd/c638b7_eb0bf535a51d49d6b8b4dc33abbab5ba.pdf?index=trueIn PDF document text
- https://b7eb3c74-9f10-4efd-a612-efb7ea03662f.filesusr.com/ugd/7198c1_dc16ad527e8d4f68b01b3eb8bda7e25e.pdf?index=trueIn PDF document text
- https://fdb0147f-387d-4908-9c93-1ccdb5bf775f.filesusr.com/ugd/aea2e0_21723598270443ec9b380145f5352d86.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/d7f90fa4-c0a5-4502-ba56-dec0da2a2f29/do_salvation_army_bell_ringers_make_money.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fad8c5d7-4bc2-4933-b323-ac983a3fd2c9/how_do_i_love_thee_analysis_line_by_line.pdfIn PDF document text
- https://5457524e-bace-410a-9ce7-c8d8bc0eedea.filesusr.com/ugd/f0ffd0_c7f1e73fa11b45b088877dd928c100e7.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/2f6acfd3-a037-48e9-b635-730619805eab/a_static_budget_report_is_appropriate_for_variable_manufacturing_costs.pdfIn PDF document text
- https://45e41439-46a4-4c97-84f0-155cfeda4cef.filesusr.com/ugd/9d7ad9_f1ce748551e5423091c6c6070142f3f8.pdf?index=trueIn PDF document text
- https://1b65b899-5fad-42bd-af9e-a3fb1d6a4c80.filesusr.com/ugd/a2ebd8_fdedd8155e44457eabb10df534655d17.pdf?index=trueIn PDF document text
- https://8271b8e8-1520-4b18-8785-2fafc8cd33e6.filesusr.com/ugd/efc97f_f013daa9224a460bafc8f472527a4ebb.pdf?index=trueIn 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_off00010e39.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E39 | 5280 bytes |
SHA-256: 8073c4fa762ef34026f2521d92846d30b7c7e22264cd71b5ee91e5086c845b2b |
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font_01_sfnt_off00012029.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12029 | 10408 bytes |
SHA-256: 708278c252d2fc5eae9422040b75d952441511ff612ffd0dbe120b0dd14e644c |
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