MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF document flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier. It contains numerous external URIs, many pointing to disposable hosting, suggesting a link farm or phishing operation. The document body, though heavily obfuscated, contains references to 'wkhtmltopdf' and 'acromegalia pdf', indicating a potential lure for users seeking specific information. The presence of multiple external links and the overall heuristic firings strongly suggest a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 5
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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 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://xezojetit.ru/award?keyword=definicion+de+acromegalia+pdf PDF link annotation
- http://lorozetuwivu.medianewsonline.com/application_letter_example.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4378175/normal_5ff14d7ad9c31.pdfIn PDF document text
- http://firstsecu-paypal.com/warcraft_3_original_vs_reforgedllecd.pdfIn PDF document text
- https://warajepujevofi.weebly.com/uploads/1/3/1/8/131857140/1198065.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366987/normal_6056f775e73c6.pdfIn PDF document text
- http://tapavinologo.mygamesonline.org/calendar_2020_hong_kong.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4374181/normal_5ffa73ed5c705.pdfIn PDF document text
- https://dipediras.weebly.com/uploads/1/3/0/7/130739778/tipuniso-visexi-rexogizawa.pdfIn PDF document text
- https://jurajewokikum.weebly.com/uploads/1/3/5/3/135349146/dikozubuwerizod-vurotazesoba-fekaxitinegejob-rugibo.pdfIn PDF document text
- http://okrasote.info/38056491280f2fhs.pdfIn PDF document text
- http://jikusoxet.iblogger.org/amigurumi_doll_patterns.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366384/normal_603e132a809ab.pdfIn PDF document text
- http://xojitupozoded.22web.org/romeo_and_juliet_2013_death_scene.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4494432/normal_602c526218719.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4370273/normal_5febf38b6ea43.pdfIn PDF document text
- https://tevuratoza.weebly.com/uploads/1/3/4/0/134019225/d35cea16.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4393359/normal_5fec26ed35290.pdfIn PDF document text
- http://storeyou.store/successful_time_management_for_dummies_2nd_editionp2nvy.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4460680/normal_6019f0ca8619c.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://zikimopotefeva.epizy.com/guwewa.pdfIn PDF document text
- http://mosupixozijet.epizy.com/argon_18_gallium_pro_size_guide.pdfIn PDF document text
- http://lekanun.epizy.com/what_does_it_mean_when_you_see_a_blue_feather.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_off0000f0d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0D1 | 5296 bytes |
SHA-256: f824874bb9c72401c275b640981faac9da9760fbb11014dcdf9c55348e8e335d |
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font_01_sfnt_off000102c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102C8 | 13524 bytes |
SHA-256: 1a353923e8a6dec5b5a5398739dc8272ba82503da71b6ed29ab8b77ebc1c6a7c |
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