MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, with multiple heuristics indicating it's a link farm pointing to compromised WordPress uploads and disposable hosting. The embedded URLs, such as https://laborke.ru/uplcv?utm_term=slaughterhouse+five+free+pdf, are likely used to redirect users to phishing sites or download further malicious content. The PDF structure itself is also noted for object duplication, suggesting manipulation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
Heuristics 6
-
ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
-
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://laborke.ru/uplcv?utm_term=slaughterhouse+five+free+pdf PDF link annotation
- http://dnepropress.net/files/file/27715074437.pdfIn PDF document text
- http://honmamon-s.com/img_seminar/userfiles/file/wogebolekobazu.pdfIn PDF document text
- https://torbay.ru/images/uploads/file/fokevedado.pdfIn PDF document text
- http://7seapharmtech.com/Uploadfiles/files/wenowekum.pdfIn PDF document text
- https://almuhja.ps/ckfinder/userfiles/files/kenavawazagogasom.pdfIn PDF document text
- https://www.passion-rnd.com/upfile/files/2021/09/09/wewofi.pdfIn PDF document text
- https://bestofbucerias.com/upload/file/navulubelobuvujiwi.pdfIn PDF document text
- http://cp-tournament.org/ckfinder/userfiles/files/wafebezitibere.pdfIn PDF document text
- https://kingyao.com/uploadfiles/files/20210909_200048_4083.pdfIn PDF document text
- http://cementfeet.com/userfiles/file/20494188190.pdfIn PDF document text
- http://amexeuro.com/an3_Uploads/file/powome.pdfIn PDF document text
- http://stolizstekla.ru/userfiles/file/5739306192.pdfIn PDF document text
- https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/58f0082567ea1ef29c8a5073795c83e3/86960581063.pdfIn PDF document text
- http://eva.am/files/1d84fc7185492e73.pdfIn PDF document text
- http://xn--90afqerdlt1f.xn--p1ai/admin/ckfinder/userfiles/files/jotelepu.pdfIn PDF document text
- https://asmitahrgroup.com/ckfinder/userfiles/files/pexolemigo.pdfIn PDF document text
- http://lejuriste.ru/files/file/vikenefogometopelisu.pdfIn PDF document text
- http://camel-republic.com/media/userfiles/files/25481068131.pdfIn PDF document text
- http://mstreatmentadvances.com/userfiles/files/33197179058.pdfIn PDF document text
- https://gkia.org/kingkong/userfiles/files/fivopemegine.pdfIn PDF document text
- http://asremajazi.com/uploads/files/89112328266.pdfIn PDF document text
- https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613115ecf2370---gubipokogabokupubot.pdfIn PDF document text
- https://www.hosotte.com/ckfinder/userfiles/files/zugulavadavimonogusidi.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/161361d3a45dc1---62613647594.pdfIn PDF document text
- https://djennebeads.com/nbloom/fckuploads/file/pafeligawogewos.pdfIn PDF document text
- http://www.libroparlatolions.it/backoffice/ckfinder/userfiles/files/rukivasikatipufuwefit.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_off0000e13e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE13E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
|||
font_01_sfnt_off0000f955.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF955 | 10916 bytes |
SHA-256: d7262c0433590f034a424847f015b27ca819595ec89c9ea87e0fe6c504ea8957 |
|||
font_02_sfnt_off00011287.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11287 | 18024 bytes |
SHA-256: 79a3a14a65ab4fb58c58c8129dacfebd77e6b31cfa0ae8de4040c3bfa784c529 |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.