MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external links, many hosted on compromised or disposable domains, suggesting a link farm or phishing lure. The PDF structure and embedded URLs point towards a phishing attack, likely using a spearphishing attachment as the initial access vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://synerhu.ru/uplcv?utm_term=a+and+an+exercises+pdf PDF link annotation
- http://botosani.ro/img/uploads/file/99187174489.pdfIn PDF document text
- https://almentispharma.com/ckfinder/userfiles/files/42523538247.pdfIn PDF document text
- http://newcityhk.com/userfiles/82263347841.pdfIn PDF document text
- https://vialivonica.eu/userfiles/files/fafisurininazebotuf.pdfIn PDF document text
- https://rippa.pt/files/file/61622761631.pdfIn PDF document text
- http://timandlor.com/userfiles/file/zinasaxuf.pdfIn PDF document text
- http://jeanchapleau.com/userfiles/file/10158043448.pdfIn PDF document text
- http://geredekombiservisi.com/userfiles/file/bixovowozimevek.pdfIn PDF document text
- http://boki.hu/editor_up/34446224421.pdfIn PDF document text
- http://dyccpharma.com/upload/files/wasanexozuwosodexarab.pdfIn PDF document text
- https://n-zvuk.ru/upload/file/wezibokotarixejuwad.pdfIn PDF document text
- https://cs168.tw/upfiles/editor/files/rapukolotujilaxifebexa.pdfIn PDF document text
- http://hillcrestneighborhoods.com/userimages/nulukewogizejebepi.pdfIn PDF document text
- https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/00aa92ae166951e64a56078f1164cbeb/50349391565.pdfIn PDF document text
- http://akinmedical.com/uploads/file/29443158170.pdfIn PDF document text
- https://jancsoalapitvany.hu/ckfinder/userfiles/files/rebigenupumukivomib.pdfIn PDF document text
- https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/ab41c1d3b6fe47164e546dd42c0b5516/75817977633.pdfIn PDF document text
- http://belean.pl/userfiles/file/rigefenibi.pdfIn PDF document text
- http://www.polni.si/Images/files/73713707732.pdfIn PDF document text
- http://massimosusto.eu/userfiles/files/ligofapuf.pdfIn PDF document text
- http://boxshop.mn/userfiles/files/96722614746.pdfIn PDF document text
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/0549f645b53ed49a53080f4765fd7442/29752397128.pdfIn PDF document text
- http://zhfangyuan.com/uploadfiles/files/3245242050.pdfIn PDF document text
- http://www.jucadent.es/ckfinder/userfiles/files/46057078957.pdfIn PDF document text
- http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134166db0092---35807606159.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_off0000bb17.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB17 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
|||
font_01_sfnt_off0000d329.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD329 | 16220 bytes |
SHA-256: 86b7a884635a7fae67abe3212cb1aa89bfd0a67a9d40043bb445b613c96329aa |
|||
font_02_sfnt_off0000fd14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD14 | 10432 bytes |
SHA-256: b39679549981ffa1637474d56d9b85fc0cf5cdd8021b59cbcb6c8f9606381b23 |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.