MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external URLs, many pointing to compromised WordPress sites or disposable hosting, suggesting it functions as a link farm. The primary purpose appears to be directing users to potentially malicious external content, likely for phishing or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://huntic.ru/uplcv?utm_term=all+full+form+of+computer+pdf PDF link annotation
- https://pacantioquia.org/aym_image/files/25040027194.pdfIn PDF document text
- https://sudhirsachdevaclasses.com/ci/userfiles/files/57157224749.pdfIn PDF document text
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160be5911915e3---23571617020.pdfIn PDF document text
- https://eksiliotomotiv.com/upload/ckfinder/files/93653352269.pdfIn PDF document text
- http://dui-antidote.com/images/userfiles/file/vibomipa.pdfIn PDF document text
- http://wf515345.tw/CKEdit/upload/files/39943911185.pdfIn PDF document text
- https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/352a67cbab0ee1f5aabf4c6874f9912c/59074868079.pdfIn PDF document text
- https://www.kbstephens.com/wp-content/plugins/super-forms/uploads/php/files/2d9dc79996a0b865e27758e725d2b100/53238201000.pdfIn PDF document text
- https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/698eb2e5fc997eff9adce79b3c57b5a7/xalodizurokuraxedekave.pdfIn PDF document text
- https://isosklo.cz./uploads/13992730061.pdfIn PDF document text
- https://ptogel2.com/contents//files/69960032306.pdfIn PDF document text
- http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae20d0c6e13---pijigamopoliritakiz.pdfIn PDF document text
- https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/e119327566c2e7e3576c05b523a0dbd6/18344737802.pdfIn PDF document text
- http://osc-pribor.ru/products_pictures/file/29291099163.pdfIn PDF document text
- https://muzeumkonstancina.pl/attachments/file/jewid.pdfIn PDF document text
- https://matras-matrasych96.ru/admin/ckfinder/userfiles/files/56657975478.pdfIn PDF document text
- https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160be155e09cc0---11895883609.pdfIn PDF document text
- http://qtjdb.com/UploadFile/2021/05/21/file/20210521_133433_103.pdfIn PDF document text
- https://corpusbg.com/files/fck/file/59777040029.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_off0000b909.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB909 | 15904 bytes |
SHA-256: 779db60a1f168c3407468aff84b8d75c56c44b5d1febcae9dd75000c16bac79b |
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font_01_sfnt_off0000e1f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1F0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fa07.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA07 | 10336 bytes |
SHA-256: 29743f092a72110c13ac7ccefd1f1cbad73645da29a64ccf43a0d3c181d72f9d |
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