MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically identified as a phishing trojan. It contains numerous embedded URLs, many of which point to disposable hosting and are part of a link farm, indicating a phishing or malware distribution attempt. The presence of external URIs and the overall structure suggest an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9848
Heuristics 5
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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 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://irlanc.ru/uplcv?utm_term=what+is+mobile+installer+on+android PDF link annotation
- http://newo.ru/files/files/bowebonemiwisowiroban.pdfIn PDF document text
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/4m50kafk82q370crjvpafvuq41/81616959697.pdfIn PDF document text
- http://purepoem.com/resource/docContentImg/file/2021-09-07/dc4858ca69e80fd22a489232b982bf6f.pdfIn PDF document text
- http://broadgatecapital.com/userfiles/file/gejuvosuxiw.pdfIn PDF document text
- http://ageddfjtjgrade.pretty-match.com/upload/files/morusimesosuzu.pdfIn PDF document text
- https://my-natural-style.net/upload/files/kirabamegupejavadifa.pdfIn PDF document text
- http://savvyais.com/userfiles/file/49324568993.pdfIn PDF document text
- http://xn--vb0b83rba554gca.kr/page_data/file/20210916013250.pdfIn PDF document text
- http://thsport.dk/userfiles/file/24640280232.pdfIn PDF document text
- http://maschimaurizio.it/userfiles/files/wotelojikubugorimesise.pdfIn PDF document text
- http://universalthailand.com/images/uploads/ckfinder/files/35879839171.pdfIn PDF document text
- https://al-farh-iq.com/upload/userfiles/file/55566144685.pdfIn PDF document text
- http://tropo-design.com/ckfinder/userfiles/files/bagebes.pdfIn PDF document text
- https://betalinktech.com/blmedia/file/64943025910.pdfIn PDF document text
- http://teacherandtraining.com/coj_u/KK/userfiles/files/44971758757.pdfIn PDF document text
- https://maftplayer.net/calisma2/files/uploads/37548973488.pdfIn PDF document text
- https://loyallcanada.ca/editor_files/file/zoladobidixaku.pdfIn PDF document text
- http://mirsistem.com/depo/sayfaresim/file/93227069521.pdfIn PDF document text
- https://kalashad.com/userfiles/file/lakutanizakaseja.pdfIn PDF document text
- https://ariconium.cz/webpagebuilder/ckfinder/userfiles/files/1607987531.pdfIn PDF document text
- http://www.de.ruben.pl/ckfinder/userfiles/files/zewodofinin.pdfIn PDF document text
- https://skl.deindrukdemo.nl/upload/files/85804945625.pdfIn PDF document text
- https://fajanav.com/aym_image/files/sojixidej.pdfIn PDF document text
- http://uniquecharacters.com/upload/files/litasibasakodofitukatuni.pdfIn PDF document text
- https://shevian.com/images/file/wosowipabevumipenib.pdfIn PDF document text
- https://shaplaconsulting.com/app/webroot/ckfinder/userfiles/files/bezux.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eb3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB3E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010350.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10350 | 18728 bytes |
SHA-256: ae200fc9d25352039aa0ab531fc9647f0fbc6ba70026b9b8d3dfa998327a29ae |
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font_02_sfnt_off000133ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x133ED | 10648 bytes |
SHA-256: deb290e52581bd068f20b5cb4014956a43a6cd9a389937d28d410dce39f7756a |
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