MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains a large number of embedded URLs, many pointing to compromised WordPress sites, suggesting it functions as a link farm or redirector. The primary purpose appears to be directing users to external sites, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 https://queure.ru/uplcv?utm_term=bluetooth+software+android PDF link annotation
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/1612edd27851cf---24320834440.pdfIn PDF document text
- https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613a362382efe---58071101883.pdfIn PDF document text
- https://akamercedes.com/images/uploads/files/derilosusanon.pdfIn PDF document text
- http://commissioncollectionlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/14458529436.pdfIn PDF document text
- http://gpmpoolandspa.com/ckfinder/userfiles/files/76624838729.pdfIn PDF document text
- https://tranthachcaodanang.com/uploads/image/files/kaditogogagomakokev.pdfIn PDF document text
- http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161441052bebc8---50656684103.pdfIn PDF document text
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/161359f6f8414d---damigaditeg.pdfIn PDF document text
- http://abbeytraining.net/userfiles/file/retapovomomixuvalepuwarur.pdfIn PDF document text
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/161365eb41509d---84701076614.pdfIn PDF document text
- https://littleitalypizzany.com/nbloom/fckuploads/file/77128319414.pdfIn PDF document text
- https://10kshot.com/customerinterview/ckfinder/userfiles/files/kotofexaferonunegex.pdfIn PDF document text
- https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/bd0fbcb730f88058a00fcf5dba6e903c/zapelufovozegiravad.pdfIn PDF document text
- https://tekstilkentrehber.com/upload/ckfinder/files/lasazuririzebuwaled.pdfIn PDF document text
- https://studiecarriere.it/uploads/file/wanarinozizajavuwulazef.pdfIn PDF document text
- http://vanprodukt.cz/UserFiles/File/1652806850.pdfIn PDF document text
- http://lumieretvie.com/userfiles/file/92906359130.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/ddf55b437b14b84fdc9bf210d1aa3849/57804892453.pdfIn PDF document text
- http://cappellastudio.it/userfiles/files/lelefegejirebarowu.pdfIn PDF document text
- http://xn--vb0b83rba554gca.kr/page_data/file/20210903175352.pdfIn PDF document text
- https://g55net.com/webpagebuilder/ckfinder/userfiles/files/gofim.pdfIn PDF document text
- https://on-call-anatomist.org/ckfinder/userfiles/files/rolamisizesugebive.pdfIn PDF document text
- https://dveropolis.ru/upload_picture/kadelanukijuxajusov.pdfIn PDF document text
- http://saigonford3s.com/uploads/2021-09-02/images/files/83247493463.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/14019094692.pdfIn PDF document text
- 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_off0000e4a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4A2 | 17244 bytes |
SHA-256: 09162db9245113f982ad03bbd7b228a436afd98b8428bafe1c31c524d3055354 |
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font_01_sfnt_off000111e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111E9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012a00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A00 | 10688 bytes |
SHA-256: 8389b1ac17af316d51ebf4115449e867a8dfc5206ca49c69aaab4730c318531e |
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