MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised CMS platforms or disposable domains, suggesting a phishing or malware distribution campaign. The presence of PDF-specific heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' further supports this, indicating the document is designed to host a link farm for malicious redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9922
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://queure.ru/uplcv?utm_term=pdf+converter+to+autocad+online PDF link annotation
- http://sarlampa.ru/upload_picture/50838885819.pdfIn PDF document text
- http://nsfeed.com/_UploadFile/Images/file/vewefesidagadevemel.pdfIn PDF document text
- https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/nrlhfbi7u4pak57arkhopic8n5/98870192755.pdfIn PDF document text
- https://pypconsultores.mx/userfiles/file/21639505439.pdfIn PDF document text
- https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/9d7ef18ddfe539acfa9216adeb529950/linodisik.pdfIn PDF document text
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/16087cae421924---lamodimukenoxujoxelusavin.pdfIn PDF document text
- http://sochisushi.nl/survey/userfiles/files/nivilazagukefafaxebup.pdfIn PDF document text
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609097251c4b9---silutupobitaxited.pdfIn PDF document text
- https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/7eaumsdpi39nt8c0vvqccfeikv/73738125260.pdfIn PDF document text
- https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/3cc8d09762702925cce176966243ce29/pofefuzeputogivijutupem.pdfIn PDF document text
- http://passaicvalleyclassof1957.com/clients/44362/File/42402350220.pdfIn PDF document text
- https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/7ve5ndgdf5ons95dnnl0qnh512/vizowixuvudapijozije.pdfIn PDF document text
- https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/972fe85a8d66fa22569c63efe3d389de/22120487056.pdfIn PDF document text
- https://www.saammohaseb.ir/wp-content/plugins/super-forms/uploads/php/files/a7e7a7c215ad7718bacfc9c8829fcf82/2421349126.pdfIn PDF document text
- http://dpsszczytno.pl/photo/file/88738405318.pdfIn PDF document text
- http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/1607c7c5a129b3---koponiwo.pdfIn PDF document text
- https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/868a9f68e885ed1eca497875d5604c18/pilubanikuxidijevilul.pdfIn PDF document text
- https://jahanchart.ir/data/files/file/levezoxewisupotumimirix.pdfIn PDF document text
- http://bensonlandscape.com/editorData/file/nekewevimolirapu.pdfIn PDF document text
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/88db8b6b921251914a59d87bb56c3e60/pitof.pdfIn PDF document text
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a90bfaaf8fa---37395171157.pdfIn PDF document text
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607e940815335---vakatewupijewijefog.pdfIn PDF document text
- http://wittlich-luexem.de/userfiles/file/3494442164.pdfIn PDF document text
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608365cd14944---34721247330.pdfIn PDF document text
- https://ltgtrends.com/wp-content/plugins/super-forms/uploads/php/files/19e593e21759b0361403f6ec880e46bd/kolisijoruwukukulunekul.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e092.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE092 | 10468 bytes |
SHA-256: 6f6b4281b25bb4a2db80a12a4464009c1ceb0fc70ca897a9099f251435a46976 |
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font_01_sfnt_off0000f87c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF87C | 16076 bytes |
SHA-256: a671d37c7b3b889284622d243fc9727f378cc914a66da79eb58e164c6b93b0ed |
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font_02_sfnt_off00010d9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D9E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_03_sfnt_off000125b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125B0 | 16944 bytes |
SHA-256: c88edeefef4a218e3b18b6c8ca3bb2d7eff56d0b72365690e6d67ee18bfa704b |
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