MALICIOUS
86
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file is identified as malicious by an ML classifier and exhibits characteristics of a link farm, with numerous external URIs pointing to potentially malicious domains. The document body, though heavily obfuscated, suggests a lure related to a 'Tissot 1853 operating manual', indicating a social engineering tactic. The presence of malformed streams and external URIs suggests the PDF is designed to exploit vulnerabilities or redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 5
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Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTHA PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
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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://seumenha.ru/wix?keyword=tissot+1853+operating+manual PDF link annotation
- http://theplafond.xyz/11637132054hxq6z.pdfIn PDF document text
- http://mrshadow.net/capsicum_oleoresin_wikipediaqoon5.pdfIn PDF document text
- http://lebedugipul.mywebcommunity.org/how_to_teach_english_conversation_for_beginners.pdfIn PDF document text
- http://femonejigajape.mywebcommunity.org/was_the_book_of_enoch_in_the_original_canon.pdfIn PDF document text
- http://midunetojonawiw.mywebcommunity.org/kamoxomufogosiwevix.pdfIn PDF document text
- http://xafesuvorolivig.scienceontheweb.net/how_to_apply_hair_dye_without_a_brush.pdfIn PDF document text
- http://muzomabavima.medianewsonline.com/sole_e35_installation_manual.pdfIn PDF document text
- http://fontawesome.iohttp://fontawesome.io/license/In 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/e12b2118-2292-48f1-86b9-91e16a12640e/nadinibilixexativate.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5f6b1420-f858-4e1b-a9ad-e376ef531b73/24970341752.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a3802bc2-396b-41c7-ab6f-4d20b287c051/plant_physiology_impact_factor_2009.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d7881c81-e07a-4add-9ca8-573707b71208/how_were_the_colonies_governed_before_1760.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6f4c8a98-c80c-45df-91ae-370a84a6aed1/kanogazisejej.pdfIn PDF document text
- https://s3.amazonaws.com/tidigudetefumof/deep_sided_sheets_nz.pdfIn PDF document text
- http://lepugip.epizy.com/eu_competition_commission_annual_report.pdfIn PDF document text
- http://xekujigifur.epizy.com/circumstantial_report.pdfIn PDF document text
- https://s3.amazonaws.com/lomiwexuva/ggplot2_in_r_cheat_sheet.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6e130490-cd23-4ef7-bc4c-3b6b8222a2a1/jujabavi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f1e271f6-3710-4fd8-91ad-ed5b9a171634/dujaxinarakipijobivafa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dd5b12d0-9669-42d1-80bc-9c697eb878ec/wovokaw.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/46daeeae-6c16-4451-9831-2d854c0bc793/tepekikewunafumure.pdfIn PDF document text
- https://s3.amazonaws.com/lizuseguwix/national_insurance_company_burglary_claim_form.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8f1a2bbf-c5eb-4da4-b61a-b50fc45fc677/porowoluve.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000da32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA32 | 4000 bytes |
SHA-256: 90f62ef547d22ff3130dd9a5faf89ab324488348d13c9663228fa1255e01e265 |
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font_01_sfnt_off0000e7be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7BE | 3080 bytes |
SHA-256: 8574919c7c8a9f024103958ce015253c5a24b8e646cdb5f787658918713f2b2b |
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font_02_sfnt_off0000f2c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2C6 | 5620 bytes |
SHA-256: 86fe301a0b3ae31f123b784eeca684c6f7776b4ba62c49fa62e41fd3a50773d9 |
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font_03_sfnt_off000105ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105CE | 10664 bytes |
SHA-256: e01bce546cdf51731243f2bc6414faf77b40ffe622306e48403bd0a7845603f1 |
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