MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains multiple links, some pointing to compromised WordPress uploads and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall structure indicate an attempt to facilitate phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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 http://texinpack.com/uploadfile/file///2021090215065613.pdf In PDF document text
- https://www.domaine-boussard-chablis.fr/ckfinder/userfiles/files/52429021891.pdfIn PDF document text
- https://soudurelausiere.ca/upload/editor/file/68988844770.pdfIn PDF document text
- http://boden.boj.se/uploads/userfiles/files/62453054576.pdfIn PDF document text
- http://agarimo.com/archivos/archivos/88625899216.pdfIn PDF document text
- http://icr34.fr/icr/icr34.fr/www/files/files/diwivoxolapap.pdfIn PDF document text
- https://mrdak.cc/uploadfile/files/vadanawixupewe.pdfIn PDF document text
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/f6d0e71abe05a4f68bc905101ddb2514/67696484136.pdfIn PDF document text
- https://www.mmgrowersg.com/ckfinder/userfiles/files/nokiganerowe.pdfIn PDF document text
- http://jshanwoo.com/ckfinder/userfiles/files/50222692397.pdfIn PDF document text
- http://uralcomservis.ru/crn_fls/crn_files/80093154094.pdfIn PDF document text
- http://wu-pao.com/upfiles/editor/files/tufejijalim.pdfIn PDF document text
- https://umutfm.com/resimler/files/94416153350.pdfIn PDF document text
- http://simpelms.nl/userfiles/files/fifoboxalopakedod.pdfIn PDF document text
- http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/bd6f3aea990558190871662e8821b7a8/gavamakexawu.pdfIn PDF document text
- http://rockhousemethod.com/ckfinder/userfiles/files/turukowifuresorunove.pdfIn PDF document text
- https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16135b085e46db---jomopetosodakebaxufenuvo.pdfIn PDF document text
- http://thenikharvconsultancy.com/userfiles/file/mixujijelivu.pdfIn PDF document text
- http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/58d0f6498ccec897051b2b23193baafb/nedonesetoki.pdfIn PDF document text
- http://staractivecollection.com/resimler/site/files/37871360697.pdfIn PDF document text
- http://kidneystonetreatment.in/userfiles/files/11898794710.pdfIn PDF document text
- http://www.americaninvest.net/upls/files/nujolupajuzibijaruzadej.pdfIn PDF document text
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143528193e07---juxebiledulofujaze.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=game+booster+play+games+faster+%26+smoother+apk+premiumPDF link annotation
- 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_off0000c56e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC56E | 17136 bytes |
SHA-256: ac42c4102373554c7d28bf31670eb1bc1b686ecaff37750ca4ef84924ddb8d92 |
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font_01_sfnt_off0000f14a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF14A | 10800 bytes |
SHA-256: 4c195bee414a4a9ed02054e71dbabd8c749cca8ff60a4feb5cf25043d7ad6106 |
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font_02_sfnt_off00010a1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A1B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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