MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress sites and other disposable hosting, suggesting a link farm designed to redirect users. The PDF's structure and the presence of these links strongly indicate a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
Heuristics 6
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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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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://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16094a6bb46ddd---gebuw.pdf In PDF document text
- https://accesoriosalmayor.com/images/userfiles/file/15200783501.pdfIn PDF document text
- http://biswasi.com/userfiles/files/57053074108.pdfIn PDF document text
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/6n8v4php97717dhrpns89muu34/21468216394.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/41940db42dd7b9a8b76e5c5972c513f7/fopupulisusexupizusowuf.pdfIn PDF document text
- http://lohsclassof70.com/clients/3/31/31ca850ff086a58b81c8700e10a01852/File/jofewuko.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8821cc62c---gopiridepiboxoxijab.pdfIn PDF document text
- http://hotelbelleepoque.bg/userfiles/file/nifafogidajawiwewaxa.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/61e8932402d852ec31770a03e98bd750/kekegirawopilowerogaz.pdfIn PDF document text
- https://loyallcanada.ca/editor_files/file/pipanifoju.pdfIn PDF document text
- https://memoservicesrl.it/file/gokurulenabakarixugekeduj.pdfIn PDF document text
- https://ksuskalology.com/images/file/tigoxaxakewijebezanod.pdfIn PDF document text
- http://www.annaleehuber.com/content_files/file/kikazuvelivefu.pdfIn PDF document text
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b22108b4175---1196210726.pdfIn PDF document text
- https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/160a6836314d5a---sadupedaxapobonugitavajo.pdfIn PDF document text
- https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/brutmcucdh78luokioila1bofj/mopivelafozamux.pdfIn PDF document text
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160cab859eb63c---lukesujigunele.pdfIn PDF document text
- https://angkoronetour.com/userfiles/file/24817047388.pdfIn PDF document text
- https://aftaplan.com/works/peepsparty/html/upload_files/file/92316192442.pdfIn PDF document text
- https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608243f4dda36---delavuxefoginikuragepego.pdfIn PDF document text
- http://alexlunacoach.com/img/editor/file/zejogemaresipupokixebi.pdfIn PDF document text
- https://myupfield.link/wp-content/plugins/super-forms/uploads/php/files/elnctk9u375bqfpo1s3lnh1suh/54116923489.pdfIn PDF document text
- https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/cp88b62ol81lq9kmtu7v1ramf0/14194848188.pdfIn PDF document text
- http://k1a.ru/images/files/file/53042101804.pdfIn PDF document text
- http://mobilesamara.com/img/files/file/kegutukomotev.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=poultry+feed+price+50kgPDF link annotation
- 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_off0000d913.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD913 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f125.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF125 | 17156 bytes |
SHA-256: a0c8d1716dfe04eac512344c6a69e84904c18c9cac2f85650a1a2dd5cd3c3c05 |
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font_02_sfnt_off00011e22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E22 | 10924 bytes |
SHA-256: 0330668c9c6cdb9f27242f81e0e52a19ae5970d722fc6960c1d09e4f1a69f472 |
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