MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to potentially compromised or disposable domains, indicating a link farm designed to redirect users. Heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest this malicious intent. The ML classifier and ClamAV detection further confirm the malicious nature of the file, likely serving as a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://qdsenfeng.com/data/files/51443878286.pdf In PDF document text
- http://miskolciharsona.hu/pictures/file/84740154347.pdfIn PDF document text
- https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a9fce0d954---zemupojosakafeterogofid.pdfIn PDF document text
- https://sjamsul-hidajat.id/ck_uploads/uploads/files/45701541675.pdfIn PDF document text
- http://tythb.com/uploadfile/files/51841556810.pdfIn PDF document text
- http://feuerwehrobrigheim.de/upload/files/13654159355.pdfIn PDF document text
- http://holidayservicemarsala.it/userfiles/files/waburof.pdfIn PDF document text
- http://studiofelician.com/userfiles/files/kafukeponepali.pdfIn PDF document text
- https://unosms.us/userfiles/file/24758197266.pdfIn PDF document text
- http://jlicentral.com/images/authors/file/58684230820.pdfIn PDF document text
- http://myrbacken.se/login/ckfinder/userfiles/files/82227063649.pdfIn PDF document text
- http://razzledazzleevents.in/userfiles/file/84334075353.pdfIn PDF document text
- https://haidangpc.com/contents/files/pefetonaruvigan.pdfIn PDF document text
- https://anakaygame.net/calisma2/files/uploads/jidujeje.pdfIn PDF document text
- http://vektor-bezpeki.com/userfiles/files/97104014713.pdfIn PDF document text
- http://bigyikesmedia.com/home/xtremweb/public_html/consultinstitute/web/upload/files/63184919545.pdfIn PDF document text
- https://eastoncn.housemember.com/uploads/files/zazafubunokikogetulazap.pdfIn PDF document text
- http://santeh.md/img/files/75761138828.pdfIn PDF document text
- http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/161316e00aaa5f---pilimuma.pdfIn PDF document text
- http://machin.kr/userData/board/file/gojuwuxunifudakonafuzuwe.pdfIn PDF document text
- https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/86caf4b1dbe562389ee6ea7f1e700cc7/gasobubokegese.pdfIn PDF document text
- http://kezmosas.hu/files/file/migalulumiketegodabavel.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=star+wars+printables+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_off0000d910.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD910 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f127.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF127 | 10672 bytes |
SHA-256: c4edae0f5313a5191ce3bbeb1ba74aa978dcdcec860c649034637a1535ff34fc |
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font_02_sfnt_off0001097f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1097F | 17976 bytes |
SHA-256: c529bff0d66f8cecbb7596b1f60eddbfeba0793a822e05a57e97f049d25ed2aa |
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