MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics indicate the document functions as a link farm, directing users to multiple external URLs, some hosted on compromised WordPress sites. The presence of a UTM term in one URL suggests a phishing or spam campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9837
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://cructi.ru/uplcv?utm_term=using+apple+pay+on+android PDF link annotation
- http://klhl.com/userfiles/file/memasowufefazameran.pdfIn PDF document text
- http://showplus.ae/userfiles/files/jaginusulafawavojumuvav.pdfIn PDF document text
- https://manage3.realtourvision.com/rtv/ckfinder/userfiles/images/files/75338716490.pdfIn PDF document text
- http://bennett-legal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nukubopukenepekunefiba.pdfIn PDF document text
- http://tech-in.info/bramy/userfiles/file/78418783989.pdfIn PDF document text
- http://guides2alpes.org/uploads/file/zelofasagatipudevelu.pdfIn PDF document text
- http://www.evisiontiendaonline.com/ckfinder/userfiles/files/80615672654.pdfIn PDF document text
- http://amexeuro.com/an3_Uploads/file/40433668600.pdfIn PDF document text
- http://be-now.pl/userfiles/file/sipuzo.pdfIn PDF document text
- http://agrostroi-proekt.ru/ckfinder/userfiles/files/20294882974.pdfIn PDF document text
- http://cieplej.pl/imgturysta/file/remixujowozifadojufan.pdfIn PDF document text
- https://heatingboiler.ca/fck_upload/file/69394977964.pdfIn PDF document text
- http://ct-tci.com/cttax/userfiles/files/losoxubunu.pdfIn PDF document text
- http://purplebyanki-com.bvirani.com/ckfinder/userfiles/files/biwawazozatiminonifaxeg.pdfIn PDF document text
- http://spiregene.com/image/files/20210921_020805.pdfIn PDF document text
- http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/161417baf86ea8---duwigagofozaromaw.pdfIn PDF document text
- https://zmiz.hr/userfiles/file/78426946248.pdfIn PDF document text
- http://dungcubepgiangtrinh.com/webroot/img/files/riberubi.pdfIn PDF document text
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/3e9717e664c702d8fee0f2ea1c4e9f2c/nadefot.pdfIn PDF document text
- https://www.auto-ecole-rive-droite.fr/ckfinder/userfiles/files/48953869073.pdfIn PDF document text
- https://classykitchen.pl/web/uploads/files/miseb.pdfIn PDF document text
- http://chickendaylacrescenta.com/uploads/files/degiru.pdfIn PDF document text
- http://aygroupmuh.com/image/files/33070004362.pdfIn PDF document text
- http://webcertain.net/contentupload/fckeditorUploads/organization_/file/26663913388.pdfIn PDF document text
- http://motovelo-nmsk.ru/userfiles/file/danakiwulojewuvotu.pdfIn PDF document text
- http://reelproductionshd.com/userfiles/file/xopon.pdfIn PDF document text
- https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613da9db833f2---91539055034.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_off0000b41f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB41F | 16896 bytes |
SHA-256: d3fc5d4501f6f06c50fcf2373477c30fcf3e63ab0dfb8278384519f209dd2b06 |
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font_01_sfnt_off0000dfca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFCA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f7e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7E1 | 10588 bytes |
SHA-256: 6337f54f7fedf9f38f67caea3f9d563a6206d8e3c9ea40eb82bb9cf947e8b510 |
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