MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF contains embedded JavaScript, which is often used to exploit vulnerabilities or redirect users to malicious sites. The presence of a link farm pointing to compromised WordPress upload directories further suggests an attempt to host or distribute malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9988
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/7938d5be04e63049fb35c1ebf4a87bef/vonetuni.pdf In PDF document text
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/e30a83884fe17ec2f29051d93727258d/40415838520.pdfIn PDF document text
- http://xn----8sbxab3abskk3a2j.xn--p1ai/media/file/nunevesunogosaj.pdfIn PDF document text
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607675b3a27b8---6160654534.pdfIn PDF document text
- https://englewoodgrassfarm.com/wp-content/plugins/super-forms/uploads/php/files/4c54d4fee2ff542ddc3be9e2c2c7cea9/92615834319.pdfIn PDF document text
- http://internationalbeautypageants.com/clients/8/8c/8c0f0497d7166b07b5568c04be8084ca/File/44216419511.pdfIn PDF document text
- http://ideatity.com/ckfinder/userfiles/files/74586807132.pdfIn PDF document text
- https://drsaman.com/files/wewufib.pdfIn PDF document text
- https://hygradeinsulators.com/images/uploads/file/bavukonigesot.pdfIn PDF document text
- https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/199f55bb49dc4cf7fc42a283dafc5646/kiranasiwu.pdfIn PDF document text
- https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/e72397283f6869510606e348cc5c40be/10761629032.pdfIn PDF document text
- http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c8c8dfecee0---nadiwunabotud.pdfIn PDF document text
- https://ccskin.com/geektic/files/86804170158.pdfIn PDF document text
- http://thietbixanh.net/uploads/files/vukuv.pdfIn PDF document text
- http://gjbbang.com/userData/board/file/98196633136.pdfIn PDF document text
- https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/s5p580fq8bcp3ahmke1s2drk34/35422260831.pdfIn PDF document text
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609caad2226a9---83710180244.pdfIn PDF document text
- http://impressivetravelvietnam.com/upload/files/96837770455.pdfIn PDF document text
- https://www.andrecampbell.ca/wp-content/plugins/super-forms/uploads/php/files/e87059a750cc19df858e72ec7cf3f010/97683153032.pdfIn PDF document text
- http://eldmsh1.ru/js/ckfinder/userfiles/files/1894870964.pdfIn PDF document text
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608053112b315---67447670840.pdfIn PDF document text
- http://gocreate.termall.pl/upload/fck/file/5845503450.pdfIn PDF document text
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6d4cf26be0---92845816706.pdfIn PDF document text
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/1611aef65c8347---32493120754.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=need+for+speed+underground+2+remastered+downloadPDF 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_off0000bd3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD3C | 14984 bytes |
SHA-256: dd29b367f014ca4a79a784eee38156b498e49f6cf6c3eab0370284ac820b7d2b |
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font_01_sfnt_off0000e327.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE327 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fb3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB3E | 11032 bytes |
SHA-256: 9f06896e4783596e78f5b44491e104442c75c0511fdd8905ac02d1b9bce916f2 |
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