MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded URLs, many of which point to compromised websites or are part of a link farm designed to obscure the final destination. The presence of a ClamAV detection for 'Pdf.Phishing.Trojan' and ML classifier flagging strongly indicates malicious intent, likely to lure users into downloading further malware or visiting phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://jmk.kr/ckfinder/userfiles/files/dizofes.pdf In PDF document text
- https://martabaktelor.com/contents/files/18233769934.pdfIn PDF document text
- http://fszhenjia.com/upfolder/e/files/20210907013019.pdfIn PDF document text
- http://sp3siemianowice.pl/userFiles/files/lidofoxewibij.pdfIn PDF document text
- https://dasyueshan.org/userfiles/file/fudizex.pdfIn PDF document text
- http://thegioixedap.net/upload/files/57028977298.pdfIn PDF document text
- https://functionalmovement.gr/wp-content/plugins/super-forms/uploads/php/files/4653f1948b1d9ee47740e16786c6fb32/zokujiju.pdfIn PDF document text
- https://floresdeserrezuela.com/aym_image/files/jamavudamevegi.pdfIn PDF document text
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/1614592271713e---xupuxasukefaxaku.pdfIn PDF document text
- https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/dendag2hq77dbbsdvqt373nup3/69153095029.pdfIn PDF document text
- https://hearing-outlet.com/uploads/files/202109040457271969.pdfIn PDF document text
- http://jungvassar.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/23990751955.pdfIn PDF document text
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615089a37bc08---21468216757.pdfIn PDF document text
- https://infotechsystemsonline.com/ital/www/img/file/zuxaze.pdfIn PDF document text
- http://iwayman.com/uploadfiles/file/2109092155146893017f461w.pdfIn PDF document text
- https://granitabrasive.com/editor_up/loludupujeroxoxa.pdfIn PDF document text
- https://thietbivesinhanhhuy.com/asset/files/wudivijozifufaw.pdfIn PDF document text
- http://camberwelltaxi.com/survey/userfiles/files/mozexotel.pdfIn PDF document text
- https://dollarplus98.com/images/upload/files/80290457381.pdfIn PDF document text
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130ea467aafb---mazolipivejalanomin.pdfIn PDF document text
- https://www.thaiahpa.com/flash/files/70837662527.pdfIn PDF document text
- http://mega-treid.com/userfiles/files/kaxoxomojivunujodenane.pdfIn PDF document text
- http://3wsystems.com/shipinc/userfiles/files/pegujekuzujorosaramujaxi.pdfIn PDF document text
- https://polymadeniyaglar.com/fckeditor/userfiles/file/10961440142.pdfIn PDF document text
- http://www.depomatrial.com/file/49837024258.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=download+subway+apkPDF 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_off0000b127.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB127 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c93e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC93E | 10496 bytes |
SHA-256: bb95f54f4002b8d88678394339b872ddc128c409d3c3d5636e43a65ddcabc2c1 |
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font_02_sfnt_off0000e108.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE108 | 14956 bytes |
SHA-256: 7fca7141f1da5f7dea94c968381a3230af31b37fde1a74c6f8bc6a1958901e4e |
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