MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised CMS upload storage and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The PDF's structure and the presence of external links strongly suggest it's used as a lure, likely for phishing or to download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://aslimitada.com/userfiles/file/buxafajilofusinum.pdf
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c2c22ec703---32734464898.pdf
- http://veronikavilla.hu/userfiles/file/48596745896.pdf
- https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/39f3cf578511f2069cd4eafdb6c5a907/91215874838.pdf
- https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/5da10d8ed1ba551c4cc391bc4865c76c/95988193603.pdf
- https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/6213c2cd8244b67369ad7d4a7cf59e5b/fabilixuxelemafujud.pdf
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/a7un6sejtdhvtmn6444ge03f25/dadoli.pdf
- https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/bb0382a0d7ee8053d20bc68ea079129e/40574170414.pdf
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a8707e1c6da---naponazo.pdf
- http://wagnerpc.com/userfiles/files/pisubiwawipegudavifiguf.pdf
- https://gdr.co.il/wp-content/plugins/super-forms/uploads/php/files/08c0c7bab1fdb8256bdc57427d93fe36/xuwufodubop.pdf
- http://statsale.com/data/upload/ck/files/75242191821.pdf
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a66c9678f07---95450833290.pdf
- http://poltinik.ru/userfiles/file/13243753296.pdf
- http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160856c0ce1a66---vujaweputawagux.pdf
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608ef3106cf64---47753929658.pdf
- http://prttour.ca/FileData/ckfinder/files/20210616_D5163AD0B885B214.pdf
- http://cityhigh78.com/clients/2/2d/2ddbae4fb74c169819b3574d76e4e264/File/zuvemivokekepigezipur.pdf
- https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afde9ac7d33---dilivuroridojesera.pdf
- https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/bkfdqt2f4493onpagqmsenpd66/nenifixupuramaxudixasuti.pdf
- https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/3rtjtu06gauhue4s4tsdkk69tc/motodu.pdf
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/24d6dd974675f04bf974814460d702e9/38690121008.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=free+spider+solitaire+without
- 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_off0000ddce.bin1c210d369b1f52c77ab7eb4d0985b579e8cdf49c0705b129c220f9620d27c640 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDCE | 10548 bytes |
font_01_sfnt_off0000f602.bin0067d01d395d19540a29dcc3c8bbb58266dd56101266ff350fe66a31580cf88c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF602 | 17076 bytes |
font_02_sfnt_off00012292.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12292 | 16792 bytes |
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