MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links pointing to compromised WordPress upload directories and disposable hosting, suggesting it's part of a link farm designed to redirect users to malicious sites. The document body is heavily obfuscated and unreadable, indicating an attempt to hide its true purpose.
Machine Learning
- Nyx PDF Classifier malicious score 0.9928
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://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/0dc147d8d828c5bba10e8d1c4a53af86/kurasego.pdf In PDF document text
- http://malagi.pl/user-files/fck/file/sugunupibifukalubomu.pdfIn PDF document text
- http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c00c5b3511f---95207910561.pdfIn PDF document text
- http://entone.es/wp-content/plugins/super-forms/uploads/php/files/ba52ee205c3bfc6e72de0baba6b972eb/90289035292.pdfIn PDF document text
- http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/aumvlc7r1vls7sogoa0g04hrb5/83701758990.pdfIn PDF document text
- http://renovator.cz/files/file/69298839856.pdfIn PDF document text
- http://aj-logistics.com/stock/userfiles/file/gomejo.pdfIn PDF document text
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/160c3b3ffdd431---sopuni.pdfIn PDF document text
- http://mobilesamara.com/img/files/file/6967535852.pdfIn PDF document text
- http://thebellingerfamily.com/clients/0/05/05034faaa501c69409a7459485cba135/File/xawovexujafiboweripukixet.pdfIn PDF document text
- http://iphysiology.ru/upload/derajusikekudorunagevun.pdfIn PDF document text
- https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160b21704db3a9---14804806756.pdfIn PDF document text
- https://vanrun-it.nl/userfiles/files/71966502136.pdfIn PDF document text
- http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160c3d451e2818---lapuzojasijojekapate.pdfIn PDF document text
- https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a25b0c9096e---79670450457.pdfIn PDF document text
- http://euro-ex.com/xinazurere.pdfIn PDF document text
- https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16071deadc2439---tabaliza.pdfIn PDF document text
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c887a8f288f---51468602690.pdfIn PDF document text
- http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9521a6e525---16226444643.pdfIn PDF document text
- https://movesforfree.com/wp-content/plugins/super-forms/uploads/php/files/palva00dhf56eo1mrq7464gj95/1040933504.pdfIn PDF document text
- https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/0b783b61fb9ca6305e539fe9a3847c16/basalaw.pdfIn PDF document text
- https://alkalacarservice.com/public_html/userfiles/file/15515946854.pdfIn PDF document text
- https://vildmarksjagt.dk/userfiles/file/zesewujexazap.pdfIn PDF document text
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608fc01139570---87369713223.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=animus+and+anima+in+fairy+talesPDF 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_off000120b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120B2 | 10592 bytes |
SHA-256: ecece727d608c7593b4583a47412d5ae982f00d7b756a1ef1147b5e394e1df4b |
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font_01_sfnt_off000138d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138D5 | 18572 bytes |
SHA-256: 62af52f53b845b92e216c37224be896f21200c5708b9b9b8f69211d1db2caa8e |
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font_02_sfnt_off000167ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x167BA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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