MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by a machine learning classifier and ClamAV. It contains a large number of external links, many hosted on disposable domains, indicating a link farm or SEO spamming operation. The document body, though heavily obfuscated, appears to be related to 'French revolution mcq questions and answers', suggesting a lure to attract unsuspecting users. The presence of numerous external URIs points towards an attempt to redirect users to potentially malicious content or ad-heavy pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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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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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://jacksth.ru/123?utm_term=french+revolution+mcq+questions+and+answers PDF link annotation
- https://nujetamewude.weebly.com/uploads/1/3/4/8/134881912/e6258c2ee9d4.pdfIn PDF document text
- https://sikefenuvip.weebly.com/uploads/1/3/4/0/134012601/rofetenumajuxa.pdfIn PDF document text
- https://buzalunila.weebly.com/uploads/1/3/1/6/131606025/kesevil-tuxex.pdfIn PDF document text
- https://punopofogow.weebly.com/uploads/1/3/1/4/131437229/xawimu.pdfIn PDF document text
- https://waxukazo.weebly.com/uploads/1/3/1/0/131071095/c24fdb0db.pdfIn PDF document text
- http://malalij.iblogger.org/xepen.pdfIn PDF document text
- https://site-1172884.mozfiles.com/files/1172884/hunting_knives_uk_law.pdfIn PDF document text
- https://wixokaregojes.weebly.com/uploads/1/3/2/6/132681478/xufabi_vabekogenu_towofofubeduju.pdfIn PDF document text
- http://roralopokuzej.22web.org/78987529893.pdfIn PDF document text
- https://xoregofejaba.weebly.com/uploads/1/3/4/6/134651656/karevera.pdfIn PDF document text
- https://nurafotupitu.weebly.com/uploads/1/3/4/4/134495453/gerimemuwex.pdfIn PDF document text
- http://tuworiki.22web.org/rudogubugopupogivonami.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://bonizeza.epizy.com/xoluzupasel.pdfIn PDF document text
- http://didewuwu.epizy.com/free_residential_lease_agreement_form.pdfIn PDF document text
- https://s3.amazonaws.com/wukevirenesu/11665297361.pdfIn PDF document text
- http://xofogijatoli.epizy.com/77904447856.pdfIn PDF document text
- https://s3.amazonaws.com/jijari/chrome_extension_zenmate.pdfIn PDF document text
- http://zamoguwudegovo.rf.gd/bootstrap_3_footer_template_free.pdfIn PDF document text
- https://s3.amazonaws.com/wovugi/pre_employment_background_check_authorization_form_florida.pdfIn PDF document text
- http://sunuwib.epizy.com/injury_report_vikings_vs_chiefs.pdfIn PDF document text
- https://s3.amazonaws.com/limepusotanal/88682303777.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_off0000e5f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5F8 | 5412 bytes |
SHA-256: d70570fd19c13946805e66afcfa76155b043d1c47aafa814e1764b55accda4a8 |
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font_01_sfnt_off0000f847.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF847 | 10268 bytes |
SHA-256: 1515599244c957d8c15e0bac529443a99d26459f8a11746ef7c485551e9a76a5 |
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