MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous URLs pointing to compromised WordPress sites. These links likely serve as a distribution mechanism for further malicious content or phishing attempts.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076ad7bceeb2---34960605593.pdf
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093dfc8c1314---banorebagugusurufolatemu.pdf
- http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607d15c6e3bae---98656047734.pdf
- https://encoregallery.us/wp-content/plugins/super-forms/uploads/php/files/2295ac19c0878e7dc50d13398cb6c1d7/zolewobuxekemijenag.pdf
- https://universitecentrale.net/uploads/FCK_files/file/9940701148.pdf
- https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/e1ceb6c070ee9989ccf5d9b7deb4de15/zibejogegosavobuwarizu.pdf
- http://laclonghotel.vn/upload/files/94242513144.pdf
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/46d601105c9cefc731d88a6de187c2b8/43484096137.pdf
- https://bedandbreakfastchia.it/userfiles/file/4461337071.pdf
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/hqnimm58ckge3rhf69b780ho5e/90616159138.pdf
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/cbcec9bb8e21c5b1ec41868bc01e7e93/gibuluz.pdf
- http://hzdsbg.com/uploadfile/1621103349.pdf
- https://btcauction.vn/hinhanh/file/80208539912.pdf
- http://gamax-motor.cz/data/dokumenty/wewisavujolawakekupe.pdf
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160976efb3f039---zavebupisijisujib.pdf
- http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/2ef0a9c8c2e12c5e87e4c4f42ef1efb7/93464237821.pdf
- https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/8gnbqvsv5vs303k7ol41mkhqog/fitogulaziburabib.pdf
- https://terravistahometeam.com/wp-content/plugins/super-forms/uploads/php/files/65e4962e8d9d2fb9501956ba16313193/30408727144.pdf
- https://fsreloading.com/userfiles/files/41138388095.pdf
- http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd833a67eb9---waxoledotex.pdf
- https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160aa42643a526---mawuxinajotuzip.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=table+of+18+19+20
- 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_off0000befa.bind91bd1ca0ab43555622dd99f31226f6a36240b7c36ac2d8f8c649bd95fe6b65a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEFA | 16084 bytes |
font_01_sfnt_off0000e845.bin38ca0000f7b4c43d4914a3c0c5de558a8d3e051336e2b2a3c85b66d7ff62634d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE845 | 10420 bytes |
font_02_sfnt_off00010025.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10025 | 16792 bytes |
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