MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ML classifiers and ClamAV, specifically identified as a phishing trojan. Heuristics indicate it functions as a link farm, with many URLs pointing to external sites, some hosted on compromised or disposable domains. The presence of numerous unknown reputation URLs suggests 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://skncn.com/u/files/22107428321.pdf In PDF document text
- http://eyela.kr/uploadfile/fckeditor/file/19779414809.pdfIn PDF document text
- https://sunnyrosesschool.com/userfiles/file/fobefokiluzirotunanufiwi.pdfIn PDF document text
- http://food-cloud.com/home/food-cloud/www/site/site/data/files/24800359068.pdfIn PDF document text
- http://bananamusic.tw/uploads/files/202109070516288408.pdfIn PDF document text
- http://abpjseah.news-read.com/upload/files/94281822931.pdfIn PDF document text
- http://hvpeds.com/upload/contents/file/62728744741.pdfIn PDF document text
- http://historia-bfured.hu/userfiles/file/bugamuwitafixixetak.pdfIn PDF document text
- http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613458f16a0e4---zifit.pdfIn PDF document text
- http://bradzo-ep.com/uploads/files/39103206681.pdfIn PDF document text
- http://jedzenie365.pl/ckfinder/userfiles/files/80648287384.pdfIn PDF document text
- https://beruanglucu.com/contents/files/86905724310.pdfIn PDF document text
- https://at1apigroup3.com/contents/files/tosulosi.pdfIn PDF document text
- http://cascad-trans.ru/files/vibika.pdfIn PDF document text
- https://adsbudget.net/userfiles/file/lipizobimuzidenitegabag.pdfIn PDF document text
- https://neksav.com/upload/ckfinder/files/4431160062.pdfIn PDF document text
- https://weboonline.com/ckfinder/userfiles/files/92627162965.pdfIn PDF document text
- http://irk-yoga.ru/upload/files/gowitufefuxatuborod.pdfIn PDF document text
- https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/e5f90356f441011f7afc1135494f653c/8330722325.pdfIn PDF document text
- http://mislenyiallatorvos.hu/userfiles/file/90375345154.pdfIn PDF document text
- http://nomayaku.com/userfiles/file/88143262324.pdfIn PDF document text
- https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1612fe82818cc3---ladumonikofewidokevo.pdfIn PDF document text
- http://skisun.it/userfiles/files/nikod.pdfIn PDF document text
- https://vegastel.eu/components/com_mijoshop/opencart/image/data/files/29315598523.pdfIn PDF document text
- https://jazykovytabor.topenglish.sk/app/webroot/gallery/files/dovij.pdfIn PDF document text
- http://chieucoingason.vn/files/sifijubopowo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=emotional+first+aid+pdfPDF 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_off0000de65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE65 | 10508 bytes |
SHA-256: db9ea93840f7bf99ac04fdfa633095fadd7cf0c32b5de36e670995a316c9387a |
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font_01_sfnt_off0000f633.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF633 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010e45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E45 | 17684 bytes |
SHA-256: c58457d309eedabd440d33056449531d20fbe4feedc0a7c44eb4ab78ef05294e |
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