MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The ML classifier and heuristics indicate this PDF is malicious, functioning as a link farm. It contains numerous URLs pointing to other PDF files, many hosted on compromised CMS uploads, suggesting a distribution or phishing campaign. The document body is heavily obfuscated and unreadable, but the presence of embedded URLs and the heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggest the intent is to lure users to external malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
Heuristics 5
-
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.
-
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.
-
External URI info PDF_URIPDF contains an external URL action
-
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.
-
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://queure.ru/uplcv?utm_term=acquisitions+incorporated+5e+pdf+trove PDF link annotation
- https://speak82.com/_UploadFile/Images/file/19066085960.pdfIn PDF document text
- https://avonsteel.com/UserFiles/file/29122093693.pdfIn PDF document text
- https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/8ecb781d35b8f8fd6078311e418464be/66883417148.pdfIn PDF document text
- http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1606d01ee32e86---gobebapawuvakalavikibiviw.pdfIn PDF document text
- http://dui-antidote.com/images/userfiles/file/lawefimenexerolusonez.pdfIn PDF document text
- https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/8qlgcfb2cnr9eakv6ur92i06iq/zafitonidogagazulesodog.pdfIn PDF document text
- http://zcapitalcrm.com/app/webroot/uploads/files/32010784948.pdfIn PDF document text
- https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609889f089bf4---7734664610.pdfIn PDF document text
- http://teresachild.com/upload/files/66484962861.pdfIn PDF document text
- https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/0b9ce79eecde93f7bbaec260fc4a8ee3/xodirugamagopadutozafebit.pdfIn PDF document text
- http://opalsolar.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608e52e1b85e4---pazawazivuresodabadezu.pdfIn PDF document text
- https://dhesient.com/media/67361117283.pdfIn PDF document text
- http://briarcliff70.com/clients/874901/File/zukokedujira.pdfIn PDF document text
- http://eakqshop.com/ckfinder/images_store/files/bukijoxu.pdfIn PDF document text
- http://thecreditcrisis.net/clients/73966/File/67112828645.pdfIn PDF document text
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d76e01c578d---lalodep.pdfIn PDF document text
- http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/160871a824c54a---26793492657.pdfIn PDF document text
- https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/99ab30732ccb8683c14ff461e2fa0c6f/sebasazizadepunavipusiz.pdfIn PDF document text
- http://www.supercarrentalsofmiami.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a43dd31cbe3---ninuval.pdfIn PDF document text
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099d49322b40---bebudosuxuzixejizopiba.pdfIn PDF document text
- https://sensesgrouphk.com/louis/STARKGROUP/ckfinder/userfiles/files/42437782671.pdfIn PDF document text
- http://depcip.com/app/views/panel/ckfinder/userfiles/files/54486489178.pdfIn PDF document text
- https://schmitz.cz/res/file/joviwagozusufikuxalule.pdfIn PDF document text
- http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089482a4f99e---82517107941.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_off0000f9dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9DC | 10992 bytes |
SHA-256: 050883f49b58dd234ff09da325fa732ecac69fa6d167463fbdf1022295664ce2 |
|||
font_01_sfnt_off0001136e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1136E | 18804 bytes |
SHA-256: da67219fe842773cd552aec53625362b35cb66622dd1cefa409fb7688fb3e574 |
|||
font_02_sfnt_off000144a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x144A4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.