MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many hosted on compromised CMS platforms or disposable domains, indicating a link farm designed to direct users to potentially malicious content. The ClamAV detection as 'Pdf.Phishing.Trojan' and the ML classifier's high confidence score further support a malicious intent. While no scripts were directly extracted, the structure and URL patterns are consistent with phishing or malware distribution lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9711
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 https://www.kbstephens.com/wp-content/plugins/super-forms/uploads/php/files/f45823db5db8c2a99833508fe4042ae7/35401370812.pdf
- http://apogeeconsultancy.com/upload/files/82487761326.pdf
- http://astro2sphere.com/admin/images/file/nivojiwa.pdf
- https://majorsagilekvaros.hu/uploads/file/54131981972.pdf
- http://e-kva.ru/admin/ckfinder/userfiles/files/80355066588.pdf
- http://nuovojob.com/userfiles/files/gijefix.pdf
- http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a9be63dc71d---savaposelivirolobimaro.pdf
- http://shangrilatheshow.com/ckfinder/userfiles/files/nejowekerujutujire.pdf
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d83bebdcb6---48397441143.pdf
- https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a914bd842cf---30368526236.pdf
- https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/dh35t7q8ea4hm82nhkvj0v0pm8/fetafe.pdf
- http://erbaytag.com/resimler/files/81314558496.pdf
- https://stagerightstaging.com/wp-content/plugins/super-forms/uploads/php/files/c999b7ec0e0bf25b78768a0698d7c951/97888383274.pdf
- http://lovesushiscv.com/uploads/files/61394139486.pdf
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160c4cb0cafe15---dufopiduvaremibowuwi.pdf
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/160d56fef2aa1a---67977123226.pdf
- https://comfortinnbarrie.com/phpsites/vertical_living/uploads/file/17316307845.pdf
- https://abe-rdc.com/userfiles/file/pipanowuvitawilik.pdf
- http://www.urbanwaterways.info/files/satuk.pdf
- https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609ddda1446fb---47491112202.pdf
- http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/160a983fe91d58---babepaxasunojekunobeborax.pdf
- http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160706ba8d9c4e---gikofejufewitapoxo.pdf
- https://kme.pl/global/app/webroot/uploads/file/16253779470567.pdf
- https://aartipalette.com/userfiles/file/wevexobasuviwuf.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=meaning+of+dibble
- 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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_004_off000141ca.bind9f5e66163d907df9b2c2f031b8906ab183602eda4757f3e8ef428a9cf922d60 |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x141CA | 18328 bytes |
font_00_sfnt_off0000eebb.bin02ffbe41dc1f263ad33bbfb2ddaab46fdf2cf57bd1c8959d637db72a44556fee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEBB | 23644 bytes |
font_01_sfnt_off000129b9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129B9 | 16792 bytes |
font_03_sfnt_off00015f6c.bin1ad794d9f03f5445ed0df4fc75c553503a7a7fd2f11308a513ab9c7ed81f6ce1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15F6C | 10296 bytes |
font_04_sfnt_off0001766b.bina8161c2f5ba9235eb51b4fcc43b6bb219725019365cb8d38f9ec25dfe5ce54ff |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1766B | 3464 bytes |
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