MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a link farm designed to redirect users. The PDF structure and embedded content indicate it's likely a lure to a phishing site or a distribution point for further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://infrive.ru/uplcv?utm_term=find+turning+points+of+a+function+calculator PDF link annotation
- https://drproperty.in/userfiles/file/19955852125.pdfIn PDF document text
- http://24hnbc.com/assets/ckfinder/core/connector/php/uploads/files/rubobur.pdfIn PDF document text
- https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/8b51680be4233d02d1a82e654ab97cbd/pepurapudujabamukorun.pdfIn PDF document text
- http://hnspkjx.com/d/files/19426745476.pdfIn PDF document text
- http://shuimotongyuan.com/userfiles/file/rixuwedejuz.pdfIn PDF document text
- http://parquet-cortes.fr/data/Files/78303828208.pdfIn PDF document text
- http://traiteurluc.com/userfiles/file/kexokirusikivisev.pdfIn PDF document text
- https://makemycake.gr/wp-content/plugins/super-forms/uploads/php/files/jtr49uvgkmt3eh4icl51edqev3/laxorifatumin.pdfIn PDF document text
- http://apothepharma.com/upload/files/pikidefutag.pdfIn PDF document text
- http://arcomproltd.com/userfiles/file/zusogod.pdfIn PDF document text
- http://orvosvalaszto.hu/uploads/files/13325653613.pdfIn PDF document text
- https://pharmnet.cz/ckfiles/files/files/govepazag.pdfIn PDF document text
- http://nuocmambason.com/upload/fckimagesfile/dbdb682f6b450cb57b798f3379b6d476.pdfIn PDF document text
- http://chapelguild.com/images/usr/81603414580.pdfIn PDF document text
- https://heart-calligraphy.com/uploads/files/202109070300306019.pdfIn PDF document text
- https://ph789.com/pinhsuan/files/file/62714685155.pdfIn PDF document text
- http://shepardinteriordesign.com/rw/upload/file/82093446632.pdfIn PDF document text
- http://fkhd.cz/data/img/46019196536.pdfIn PDF document text
- http://eichler-kammerer.de/wagivusufe.pdfIn PDF document text
- https://sapporopools.com/contents/files/toxapinewadigonunewuva.pdfIn PDF document text
- https://shoppingplanet.cityplanet.ro/ckfinder/userfiles/files/sudusanugirosarotinoj.pdfIn PDF document text
- http://youzedu.com/ckimages/files/20210905041921710208.pdfIn PDF document text
- http://scales-center.com/shop/fck_file/file/fekuxit.pdfIn PDF document text
- https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/c9dc171477f7a71b5c39b5b631b4f280/40989414958.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_off0000ba2f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA2F | 15680 bytes |
SHA-256: 1889e40c13a0ce9b2a6921fe84ae980cd570605f5046259e438f9357631d0c85 |
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font_01_sfnt_off0000e1e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1E4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f9fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9FB | 10740 bytes |
SHA-256: 191e913e48c16c62f3dc497d586ff83916e67202c3681f976f6ffc52f130fe32 |
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