MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external links, with several pointing to compromised WordPress upload directories, indicating a link farm or phishing attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The document body is heavily obfuscated and unreadable, providing no direct user-facing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9829
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 http://airholic.com/UpFiles/WebEditorFiles/file/80569343906.pdf In PDF document text
- https://searchlink.org/userfiles//file/xameweguwiwoburejosu.pdfIn PDF document text
- http://magendans.com/imagefiles/file/kimawinovozitutezimukuvug.pdfIn PDF document text
- http://fmi.lu/userfiles/files/14813799493.pdfIn PDF document text
- http://shmountaineering.co.uk/wp-content/plugins/super-forms/uploads/php/files/ibaqpusibpb32luhkug3e4gah0/61630321469.pdfIn PDF document text
- https://ashasuchikala.com/ckfinder/userfiles/files/fukoragefewebadob.pdfIn PDF document text
- https://topclassgardening.nl/images/file/vatanunur.pdfIn PDF document text
- http://diagnosticaedilizia.com/userfiles/files/mufubet.pdfIn PDF document text
- https://wccia-vastu.com/wp-content/plugins/super-forms/uploads/php/files/d4e8627fe82adb9cc5464be7a28695af/vifoferataxovumuravo.pdfIn PDF document text
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a12c362f3c4---pikemupapiliviji.pdfIn PDF document text
- http://global-insurance-broker.de/downloads/62183962658.pdfIn PDF document text
- http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/d254befc61c404e1284e10642ff46e5a/dumaditopatelelemarevi.pdfIn PDF document text
- http://chataphan.com/file_media/file_image/file/riripokulij.pdfIn PDF document text
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c10c9a09c38---ziwiwiwezibovalefibajawim.pdfIn PDF document text
- http://aromaonly1.com/yamituki-n/uploads/files/39820113112.pdfIn PDF document text
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/h1ijvafpp0p065i3ipq38ntcv6/fexezumuvegisafadugar.pdfIn PDF document text
- http://whuntex.ru/userfiles/file/82393810120.pdfIn PDF document text
- http://madmojo.com/fckupload/file/penakibidomipoziroxaw.pdfIn PDF document text
- http://rideco.hu/upload/file/lufakepogijawewer.pdfIn PDF document text
- http://ducthoaudio.com/upload/files/vavowotuzapomefisinas.pdfIn PDF document text
- http://www.s4b.nl/upload/files/84354504609.pdfIn PDF document text
- http://gaongonmaiphuong.vn/webroot/img/files/86333730122.pdfIn PDF document text
- https://laps.pl/userfiles/file/pivam.pdfIn PDF document text
- http://movietek.vn/hinh-anh/files/58431635290.pdfIn PDF document text
- http://jkohut.pl/file/1018803807.pdfIn PDF document text
- https://hotelangela.hu/userfiles/file/36205449617.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=theraputty+exercises+pdf+spanishPDF 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_off0000cc68.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC68 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e47f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE47F | 10832 bytes |
SHA-256: 2d684796f09891fba37b57256fcb9c421f22a46645eb665d0c528cce9ea0889c |
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font_02_sfnt_off0000fd81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD81 | 16944 bytes |
SHA-256: bb38d92a615e1bb4f2e629e9376b7872e432b53860dd8cb01f9ed5475d262c37 |
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