MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous embedded URLs pointing to potentially compromised or disposable hosting sites. The primary purpose appears to be redirecting users through a network of links, likely for malicious purposes such as phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://dyglas.com/userData/board/file/wobezoko.pdf In PDF document text
- http://gsnursing.in/ckeditor/ckfinder/userfiles/files/tefijagufewawamapeloten.pdfIn PDF document text
- https://sheenabusesandcoaches.com/userfiles/file/zewiziperorudajij.pdfIn PDF document text
- https://multimetrics.com/ckfinder/userfiles/files/velukokoziduwuv.pdfIn PDF document text
- http://www.otevrenysklep.cz/ckfinder/userfiles/files/duvukabafanoralasin.pdfIn PDF document text
- http://mavelikaradiocese.org/rapha/ckfinder/userfiles/files/48303433826.pdfIn PDF document text
- http://redigonda.it/userfiles/files/gejorivogujugebewapebomo.pdfIn PDF document text
- http://tlumacz-bialystok.pl/pliki/file/35028676768.pdfIn PDF document text
- http://kiddeefire.com/media/userfiles/files/75201958173.pdfIn PDF document text
- http://worldofpacifiers.com/editor_uploads/system/files/dupinavo.pdfIn PDF document text
- http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c81c17e525---roxiziwa.pdfIn PDF document text
- https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d55565a208---jevudapotiduko.pdfIn PDF document text
- http://ankurgroups.com/userfiles/file/90491327929.pdfIn PDF document text
- http://jimsclub.net/new/board/img_tinfo/file/20210825094518.pdfIn PDF document text
- https://eminencesolutions.in/resources/userfiles/file/59669820937.pdfIn PDF document text
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a8110c825bf---99319923841.pdfIn PDF document text
- http://beiks.info/public/file/34491875912.pdfIn PDF document text
- http://maraulsan.com/ckfinder/userfiles/files/98968244424.pdfIn PDF document text
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/vbg70rpuqf7cs8ri0uae38ghpc/batew.pdfIn PDF document text
- https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/2gmklhc84tvtc7vqs48i98jkt8/89250646124.pdfIn PDF document text
- http://blessedfamilycovenant.org/clients/c/cb/cb727bc273eb4203dc66fb73741ae5ae/File/zibirituf.pdfIn PDF document text
- https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/161372c0014ada---81599722594.pdfIn PDF document text
- https://www.chesapeake-lighting.com/wp-content/plugins/super-forms/uploads/php/files/90df93c48aae2c29ed7abb9e47b59282/78837259197.pdfIn PDF document text
- https://davidfoleyinc.com/userfiles/file/50951590922.pdfIn PDF document text
- https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/88355170f2e2d62904b9ede6224c7c8b/jafawupezasata.pdfIn PDF document text
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133c1932fcd9---gafabozuwezoza.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=bridge+to+abstract+mathematics+mathematical+proof+and+structures+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_off0000b392.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB392 | 14252 bytes |
SHA-256: caf7a08e275aae5ca2b0094ddefd0b0aabdde9cf5a128f50a92e16d282e7e73a |
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font_01_sfnt_off0000d769.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD769 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ef80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF80 | 11360 bytes |
SHA-256: aab5048588f11703c3109f524221dfefaad9465fa033f1df8dc1cfa2148cd165 |
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