MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS uploads, indicating a link farm designed to redirect users to malicious content. The document body is heavily obfuscated and unreadable, but the heuristics strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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://twtqedu.com/userData/ebizro_board/file/lixitijoxatosovamejag.pdf In PDF document text
- https://alzubidi.com/userfiles/files/xabidepalujiwuz.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b6319797d4---3705680940.pdfIn PDF document text
- http://partnercable.com/files/63218332314.pdfIn PDF document text
- http://www.prieteniitehnicii.ro/documente/file/juvanurubegoguli.pdfIn PDF document text
- https://krassimirtaskov.com/userfiles/files/42874981099.pdfIn PDF document text
- http://aksaaydinlatma.com/img/editor/image/file/ritevite.pdfIn PDF document text
- http://hanleyresources.com/images/59140127764.pdfIn PDF document text
- https://bk.knu.ac.kr/ckfinder/userfiles/files/viwokarudalakupoleteni.pdfIn PDF document text
- http://tbeaindia.com/userfiles/file/telun.pdfIn PDF document text
- https://rtquery.reitoken.org/Coaching123/images/files/69589364417.pdfIn PDF document text
- http://jobsandhi.com/uploaded_files/userfiles/files/biwofoxojo.pdfIn PDF document text
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/conpsg9olj4imaab1uj5pdh084/9933606314.pdfIn PDF document text
- http://chinamakina.com/userfiles/file/96312175976.pdfIn PDF document text
- http://dealershop.es/camarasegovia/userfiles/file/mosix.pdfIn PDF document text
- http://kientrucphatloc.com/upload/files/vojilakavunujakedamofo.pdfIn PDF document text
- http://aqua4you.hu/userfiles/file/kivisujapidefirumul.pdfIn PDF document text
- https://phukienbep.net/media/files/12288527812.pdfIn PDF document text
- https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/io57fihsdtehrc1no6294m8j90/wogiludefemonexemamin.pdfIn PDF document text
- https://novamakine.com/upload/ckfinder/files/piniwipajusebu.pdfIn PDF document text
- http://newmob.it/userfiles/files/37975123999.pdfIn PDF document text
- http://ks4073.com/file_media/file_image/file/poxudujirupuroxosejozuse.pdfIn PDF document text
- http://gamax-motor.cz/data/dokumenty/15516195645.pdfIn PDF document text
- https://ymvii.com/admin/upload/files/jixuve.pdfIn PDF document text
- http://ingore.cn/upload/files/3137607119.pdfIn PDF document text
- http://abwingssuffolk1.com/uploads/files/sisov.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=screen+recorder+apk+download+without+watermarkPDF 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_off0000dbc0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBC0 | 17780 bytes |
SHA-256: d9e93b1cc813111f0839034992f6d897db8e45d62146698497a8ef91fbd1024d |
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font_01_sfnt_off000109c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109C2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000121d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121D9 | 10964 bytes |
SHA-256: 741bfdded8dd717dec221b17fa5064b3f4944b5e083e6493c9cca2a015f35539 |
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