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 ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised websites, suggesting a phishing or malware distribution scheme. The PDF structure and embedded links are consistent with techniques used to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9937
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.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16093fe8b67ac4---58514112460.pdf In PDF document text
- http://cloverdiamond.com/file/67865693375.pdfIn PDF document text
- http://ohdiabo.net/images/ckeditor/files/gapal.pdfIn PDF document text
- https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/o7tmci69dstoha08epb7546ljv/tazagudo.pdfIn PDF document text
- https://acornschoolcharleston.org/wp-content/plugins/super-forms/uploads/php/files/c253db07872b196a1da148c054322ea8/54911920634.pdfIn PDF document text
- http://ahkjt.com/upfile/file/monevorelus.pdfIn PDF document text
- https://tonere.shop/app/webroot/files/userfiles/files/lakuze.pdfIn PDF document text
- https://www.propertyfilevault.com/wp-content/plugins/super-forms/uploads/php/files/82197128827b1b05eca1cb44ceae4f8d/najegasopovun.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/15033273798.pdfIn PDF document text
- http://instandee.com/Images_upload/files/tusegugobip.pdfIn PDF document text
- https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/65292300974.pdfIn PDF document text
- https://mangonebike.com/uploads/file/fimilezi.pdfIn PDF document text
- http://www.alfapilates.pl/upload/file/palaziwu.pdfIn PDF document text
- https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/e07dca7357c32e00fe2b0d3a7d5f1f12/kusol.pdfIn PDF document text
- https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/8nhvt8d16rpk83a8qcopb02k1u/womoberigapowowakep.pdfIn PDF document text
- http://www.zopfitravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bde9674f40---57738191473.pdfIn PDF document text
- https://cuisinescartier.ca/upload/editor/file/dusagosapezabaxawopakuvin.pdfIn PDF document text
- http://sl-light.ru/design/img/upload/file/raderujivepomomerexarujew.pdfIn PDF document text
- http://chronicles.ae/userfiles/files/11384134494.pdfIn PDF document text
- https://bohemiamaestro.com/webpagebuilder/ckfinder/userfiles/files/xiwavuxijuzipugedovu.pdfIn PDF document text
- http://wahluenfty.com/userfiles/domegajukepawanuk.pdfIn PDF document text
- http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608cbe02ea0eb---pavewurezagizinikupili.pdfIn PDF document text
- http://fdscience.com/UPFILE/userfiles/files/wevitiketidixep.pdfIn PDF document text
- http://nemdanangpho.com/uploads/2021-05-31/images/files/buxepesukoz.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=atherosclerosis+reversal+therapyPDF link annotation
- https://sharpspringwww.kinsta.cloud/wp-content/plugins/super-forms/uploads/php/files/836425689ce0fce7499c033bec2efe42/loxiw.pdfIn PDF document text
- 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_off0000fb0c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB0C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011323.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11323 | 10528 bytes |
SHA-256: f060432d05b2ec4bd74a2096bf6aace5c872c7ec3b0ca642d43278bc80c603ce |
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font_02_sfnt_off00012b5c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B5C | 16664 bytes |
SHA-256: f1e8bf99ba99a79d856e73259a014625de690deb44e17de97649dcbd0b7dcefc |
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