MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF document employs a social-engineering tactic by presenting a lure to install a browser extension or update, a common method for credential theft or malware delivery. The presence of multiple external URLs, many hosted on compromised WordPress sites, suggests a phishing or malware distribution campaign. While no scripts were directly extracted, the ML classifier and ClamAV detection strongly indicate malicious intent, likely involving exploitation or the download of a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
-
ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
-
Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
-
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://nomylo.ru/uplcv?utm_term=download+add+in+save+as+pdf+office+2007
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608aed177d537---lufademukok.pdf
- http://bagiez.com/userfiles/file/82712945868.pdf
- http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607aaecf8823f---2324553522.pdf
- https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/11anbgqmm76oltmrpjjogqia8j/teton.pdf
- http://omgmediatank.com/userfiles/files/34264836688.pdf
- https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/32ddeaa6071c4bf7f089b5be3f343b9a/22728567724.pdf
- https://ewdel.cz/ckfinder/userfiles/files/pifegalosireb.pdf
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607cee2daebc7---99696098116.pdf
- http://jshtextile.com/UserFiles/file///34049515257.pdf
- http://macautemple.com/userfiles/file/68452582386.pdf
- https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160b7f71506ca8---40897000486.pdf
- http://seabeachthailand.com/UserFiles/file/lobife.pdf
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/51tk2a9p4gs07qt7s4um149no5/winexiwawan.pdf
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/j6fl85ura5imseun1uc196anr0/piverijiken.pdf
- http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160800fd38fdae---tefanivag.pdf
- http://arniestribu.com/campannas/file/xupowosonebix.pdf
- http://accessiblevehicleservices.com/userfiles/file/18062409244.pdf
- http://kirilmazbardak.com/userfiles/file/viwapawezuvevura.pdf
- https://alakharia.com/public_html/userfiles/file/lenufepegipupowobod.pdf
- http://phanphoiongnhuahoasen.vn/upload/files/lujenalebosovuk.pdf
- https://askisan.com/upload/ckfinder/files/20882947224.pdf
- https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160a90e8ebef39---6066873574.pdf
- https://www.cpro.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16072395e70ffc---69893682535.pdf
- http://vejwun.cz/images/nudezokebarekijegeliketa.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e6bf.bin2236e3afa06910080e591514af770132e2506c239dd753f5a7bfbf14cea99e9d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6BF | 10860 bytes |
font_01_sfnt_off00010011.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10011 | 16792 bytes |
font_02_sfnt_off00011823.binc26e428938dd67aaf3d8aaf3bef0791ec384507d47b3de89db52b03e3017c4fa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11823 | 17076 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.