MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ML classifiers and ClamAV, specifically identified as a phishing trojan. It contains a link farm with numerous URLs pointing to disposable hosting and compromised CMS upload storage, designed to redirect users to malicious sites. The PDF structure and embedded URIs strongly indicate a phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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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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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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://nomylo.ru/uplcv?utm_term=leo+luego+escribo+pdf PDF link annotation
- http://maidichike.com/upload/files/92896565699.pdfIn PDF document text
- http://ohappy.org/userData/board/file/domeposilimo.pdfIn PDF document text
- http://ueros.fr/admin/ckfinder/userfiles/files/72643478956.pdfIn PDF document text
- http://xn--djr00fsyfv0o5qgy9u.net/filespath/files/20210911114608.pdfIn PDF document text
- http://lmtechsolution.com/userfiles/siladegulelakosidezamuped.pdfIn PDF document text
- https://yarpaket.ru/userfiles/file/kabidizewokuziworamuzuwu.pdfIn PDF document text
- http://bodybybodyology.com/ckfinder/userfiles/files/lewufavulatasasuvogefozu.pdfIn PDF document text
- http://mwcapital.net/ckfinder/userfiles/files/5663397302.pdfIn PDF document text
- https://dm288.rs/slicice/file/36639652337.pdfIn PDF document text
- https://netcsemege.hu/ckfinder/userfiles/files/gozobolifenegimu.pdfIn PDF document text
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/161473151b1a47---womunegavama.pdfIn PDF document text
- http://kalikraft.com/images/file/kupumafowa.pdfIn PDF document text
- http://livestreaming.group/wp-content/plugins/super-forms/uploads/php/files/tp29knfh8m48rv8s0n6i8r7ul97e2k74/norofefalijodafow.pdfIn PDF document text
- http://ez-surveying.com/htdocs/cljr/data/files/54664558656.pdfIn PDF document text
- https://escritacontabilidade.net/fotos/news/file/17983356679.pdfIn PDF document text
- https://masihpt2.com/contents/files/migexotufa.pdfIn PDF document text
- https://indirimlipin.com/calisma2/files/uploads/11134151284.pdfIn PDF document text
- http://a-daily.jp/app/webroot/contents_img/files/dudajatitemuxawemivifawa.pdfIn PDF document text
- https://bkairconditioner.cloud4demo.com/uploads/files/52042047821.pdfIn PDF document text
- https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/f689593501acd495ece6e60e4835ea9e/16908482645.pdfIn PDF document text
- http://petra-koparki.pl/Upload/file/3280769955.pdfIn PDF document text
- http://spalovnachemolak.sk/userfiles/file/kotupimolekijuwodigu.pdfIn PDF document text
- https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/6cfaafbb72935d61558c84b1f1db2409/turekimuxodadesikilawoda.pdfIn PDF document text
- http://hyunsin.net/userfiles/file/fadiriziwegufinuwam.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_off0000ead9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAD9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000102eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102EB | 20404 bytes |
SHA-256: f7ac717679f6c12b1bcdb96b5c2b5a445dc44408f55b138b19f59626d862d45b |
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font_02_sfnt_off0001369c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1369C | 10628 bytes |
SHA-256: bffe33980554cea1f988000d90619e8021c95a978760f0edc22f83a09b1ec91b |
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