MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, exhibiting characteristics of a link farm. Multiple heuristics indicate the PDF contains numerous external URIs and links to compromised CMS uploads, suggesting a phishing or malware distribution attempt. The embedded URLs are likely intended to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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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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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 https://pistant.ru/uplcv?utm_term=trine+2+android PDF link annotation
- http://skisun.it/userfiles/files/91237738791.pdfIn PDF document text
- http://santabruna.cl/upload/file/fumugikuwevi.pdfIn PDF document text
- http://onnetsolution.in/userfiles/file/bodovu.pdfIn PDF document text
- http://immobiliareborghi.com/userfiles/files/88572824811.pdfIn PDF document text
- https://www.mds-horizons.com/upload/files/tufuwopuzogux.pdfIn PDF document text
- http://rc-saty.cz/gais/image/file/54104467202.pdfIn PDF document text
- http://ipsgroupjjn.org/userfiles/file/jiworom.pdfIn PDF document text
- http://bizbecho.com/pa/trainstation/uploads/image/file/66193561129.pdfIn PDF document text
- https://unique.global/wp-content/plugins/super-forms/uploads/php/files/821746ea25cc45d178ca92f6f2e88da4/66893005997.pdfIn PDF document text
- http://sententtech.com/file_media/file_image/file/jekave.pdfIn PDF document text
- http://jobcred.com/rk/jobcred/uploads/image/file/78331497799.pdfIn PDF document text
- http://rigassprotes.lv/uploadz/file/63676737463.pdfIn PDF document text
- https://0924055971.com/uploads/files/202109090401482647.pdfIn PDF document text
- http://ternovykh.ru/content/file/17752083576.pdfIn PDF document text
- https://hazeloyun.com/calisma2/files/uploads/xinumopudufakirufufefiz.pdfIn PDF document text
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/ue0g14aabdqdoaav355gc38dkv/givepabasoto.pdfIn PDF document text
- https://www.huaikrachaohospital.go.th/assets/global/lib/ckfinder/userfiles/files/65119505810.pdfIn PDF document text
- https://ijpdua.com/contents/files/99313773960.pdfIn PDF document text
- http://agrion.org/upload/fichier/64101674542.pdfIn PDF document text
- https://associazionemusicaviva.it/uploads/file/taxumigozevi.pdfIn PDF document text
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1612fc0ef954f6---85182265172.pdfIn PDF document text
- https://hometeamcorp.com/images/usr/39866813442.pdfIn PDF document text
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614654c7494d8---tomelujufabixu.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_off0000adb0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xADB0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c5c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5C2 | 16164 bytes |
SHA-256: f1dabaedd8665c1d23aa1e82dcb610d99b34abe981ac317df6a7ca96d07e35d5 |
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font_02_sfnt_off0000eecb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEECB | 10012 bytes |
SHA-256: 273358e0de7c9a83012e43b53584eb7b6d276bb1166cbd109b3d104c51decafb |
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