MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics, including a high-confidence ML classifier and ClamAV detection as a phishing trojan. It contains numerous links pointing to compromised WordPress sites and other disposable hosting, suggesting a link farm designed to redirect users to malicious content. The embedded URLs and the nature of the heuristics indicate a likely attempt to exploit vulnerabilities or deliver further malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9848
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://medvor.ru/uplcv?utm_term=rosary+prayer+for+the+dead+pdf
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/rjusk3rm5feq15n93vsc5uaeh6/birelino.pdf
- http://duetsepolno.pl/userfiles/file/3678199440.pdf
- https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b045d10d9f8---32541567038.pdf
- https://elsa-daulte.com/ckfinder/userfiles/files/19565541178.pdf
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/16089ea3ca1538---93957691412.pdf
- http://delannahotel.com/user_img/file/59770080755.pdf
- https://cal.lighting/wp-content/plugins/super-forms/uploads/php/files/6b26992db634c4bb37164bc14958ba73/safebodalidelixew.pdf
- http://yuanyoujie.vip/userfiles/file/70625152176.pdf
- http://allprintusa.com/admin/images/file/seloruz.pdf
- http://aaykpn.com/uploads/editor/files/24515945298.pdf
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084767bed021---fixozisuva.pdf
- http://vitanova-cattery.com/upload/file/2151539515.pdf
- https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/e337ac59c19d2c572f68712af92cec52/gixisirapux.pdf
- https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be77af98135---nolubegobawejex.pdf
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b63565aead---birelogifapo.pdf
- https://alternativecarrepair.com/userfiles/file/fukebokukozeja.pdf
- http://czpohledavky.cz/userfiles/files/56391319973.pdf
- http://kpotplace.com/uploads/files/9444968254.pdf
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/jcgbnnjsp5pf3l7505ssm1h0bi/48875783347.pdf
- https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/09355dba1bc81c8e451dc2874d994e3a/sefuzagoporojikasidibopop.pdf
- https://flycam.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160cfe1aa405e8---9975153429.pdf
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4261063453---xerewudemefijojewusuw.pdf
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/cbf2832eda48c313f6471ce595f64442/35365566822.pdf
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096654525829---lobosefubuxikoxak.pdf
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608cb46174796---66301920281.pdf
- https://www.marvistasales.com/wp-content/plugins/super-forms/uploads/php/files/f2edb5b9280c423876da219c395f724f/wodesasusugi.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f003.bin9773954f14d4900fc57972f4a78079a579e5fc336ed6d933edbaeb7044734047 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF003 | 17896 bytes |
font_01_sfnt_off00011de1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DE1 | 16792 bytes |
font_02_sfnt_off000135f8.bin206fc32640905bcd82d494a05def9f1d6799543c120c2a4698405ddf2226406a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135F8 | 10512 bytes |
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