MALICIOUS
172
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of a 'download button' heuristic further supports a lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 8
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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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://allytemp.ru/uplcv?utm_term=e+riam+sing+full+movie+eng+sub
- https://ahreco.com/uploads/news_file/81877109211.pdf
- http://foxadv.net/file/47408356620.pdf
- https://e-motorcycle.tw/upload/emotorcycle/files/45733978570.pdf
- http://vakaruinzinerija.lt/userfiles/file/gepokakifipewofo.pdf
- http://bsinteriordesigner.com/userfiles/files/rakaboxewazafaredunav.pdf
- http://daiichihousing.net/uploads/news_file/56139947373.pdf
- http://bangladeshceramicsociety.com/uploads/editor/files/82763532877.pdf
- https://jewfri.kr/files/image/files/50788888281.pdf
- https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/742ea1be727a619008497e8d4cff5dbb/57913228496.pdf
- http://ageofwonders.buka.ru/sadm_files/mobuniwipitazuleminubib.pdf
- http://teraval.cz/res/file/31297429031.pdf
- https://tootooair.com/FileData/ckfinder/files/20210905_BAB61AAF50AE4048.pdf
- https://alpinashop.rudy-ra.com/files/sazafusilanufenajune.pdf
- https://www.koreayokogawa.com/ckfinder/userfiles/files/lovepalareka.pdf
- http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/16130fbd93c5f5---lobefatuwirojuwoki.pdf
- http://gordostcrista.ru/userfiles/file/xelusujutogizuz.pdf
- https://asiantms.com/ckfinder/userfiles/files/tumunaxasofifezafene.pdf
- http://nassagroup.org/app/webroot/js/ckfinder/userfiles/files/wizimifutidivuzamewo.pdf
- http://silesiacapital.eu/data/file/4875989818.pdf
- http://indigobaby.eu/upload/files/25180827206.pdf
- http://haisushitogo.com/uploads/files/97428692417.pdf
- http://madiagranitosilano.it/userfiles/files/mujafuxad.pdf
- http://samtle.net/ckupload/files/vakozisuvomudenixi.pdf
- https://fluffy-chins.com/images/file/89085416172.pdf
- http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/965db7156cabc84db4e4665c958dc0fd/25263216520.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000baf2.bin672a3b8351627c6fae1f383e666f920bd95021c675d25c791779b715e6db054c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBAF2 | 18152 bytes |
font_01_sfnt_off0000ea12.bin7faf1ecdb052272e7db17336471f3e480d12f0661a190870e2bd2c4d794d2780 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA12 | 10748 bytes |
font_02_sfnt_off000102c3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102C3 | 16792 bytes |
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