MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains numerous embedded URLs, many of which point to compromised or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The document body is heavily obfuscated and unreadable, providing no direct user-facing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 http://commissioncollectionlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nilulexo.pdf In PDF document text
- https://transturist.ba/ckeditor/ckfinder/files/files/75115307749.pdfIn PDF document text
- http://www.tecnologycenter.com/admin/uploaded/fck/file/47603455575.pdfIn PDF document text
- http://infinity-pro.ru/userfiles/file/91234029286.pdfIn PDF document text
- http://vimbark.sk/editor_uploads/files/vujuzefasob.pdfIn PDF document text
- https://photojet.bg/userfiles/file/tirezelewazosofijun.pdfIn PDF document text
- http://groupementpecheduloir.com/ckfinder/userfiles/files/nixemavinawe.pdfIn PDF document text
- https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/60t4slcd22q5358sefgfdjidee/21207151659.pdfIn PDF document text
- http://ettorebelfioreliutaio.it/userfiles/files/77662002491.pdfIn PDF document text
- https://alperbehang.nl/userfiles/file/56540920770.pdfIn PDF document text
- http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161417689b1997---sadilibij.pdfIn PDF document text
- http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/4ngj76ks5641aclbfkgfma1ii2/78080225162.pdfIn PDF document text
- https://aspart.ro/ckfinder/userfiles/files/jabazerurawo.pdfIn PDF document text
- https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/161398060807ae---9253848533.pdfIn PDF document text
- http://www.bandungmesin.com/file/popowofonimamawe.pdfIn PDF document text
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/bbiuopirofv1smftb7rht3587q/zugiriwib.pdfIn PDF document text
- http://gyndoktors.de/ckfinder/userfiles/files/padidebeni.pdfIn PDF document text
- http://neoneophytou.com/ckfinder/userfiles/files/mawekefu.pdfIn PDF document text
- https://38e5bbdfe8be.gdziezjesc.info/userfiles/file/43429445555.pdfIn PDF document text
- https://pottoka.info/files/galeria/files/37669477500.pdfIn PDF document text
- http://panhongbo.com/ckfinder/userfiles/site_eachfun_com/files/13532549431.pdfIn PDF document text
- https://actionsporting.com/userfiles/files/sufiboderadojituwu.pdfIn PDF document text
- https://netcsemege.hu/ckfinder/userfiles/files/tezasagon.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=how+to+get+icloud+photos+on+android+phonePDF 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_off0000e635.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE635 | 18628 bytes |
SHA-256: 9df267e6e81032588fbf25479107d501bdb0cea79f199e6b51abe1c54188b38b |
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font_01_sfnt_off000116e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116E7 | 10968 bytes |
SHA-256: fd5bb0eb484ba5e434512a3bd774575d0719092f279505ad7ff6b26be085fd46 |
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font_02_sfnt_off00013027.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13027 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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