MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. The document contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. No scripts were extracted, but the overall structure and URL distribution strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://laborke.ru/uplcv?utm_term=bruchrechnen+textaufgaben+mit+l%C3%B6sung+pdf PDF link annotation
- http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16085cbcb2e7c9---79088192892.pdfIn PDF document text
- https://sportuna.be/ckfinder/userfiles/files/xebuposewedusalixitexesaw.pdfIn PDF document text
- http://heyibnb.com/CKEdit/upload/files/33896079524.pdfIn PDF document text
- http://www.tm-africa.com/beta/public/uploads/cms_filescms_files/jomuperodezipimolonasopo.pdfIn PDF document text
- https://dewalt-naradi.cz/media/upload/editor/file/tipexuvobogaf.pdfIn PDF document text
- https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/a977fa92775eb93948bf8df339f88840/datudebas.pdfIn PDF document text
- https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/89rdubrjktfdl5ftji3tahuuqj/79563263087.pdfIn PDF document text
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16102e9774b953---23657271810.pdfIn PDF document text
- http://lussoleathertiles.com/test4/EDITOR/example/v2/userfiles/file/18511242226.pdfIn PDF document text
- https://kildevangen.dk/files/71578864935.pdfIn PDF document text
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073afa469ee5---xisemuxuwopidibodutizus.pdfIn PDF document text
- http://dzbnf.com/upload/file///7739524577.pdfIn PDF document text
- https://hssipm.com/wp-content/plugins/super-forms/uploads/php/files/a771d9d0198c3574cca7e6bddcbb838e/98857947549.pdfIn PDF document text
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c05d2ccc135---82976559393.pdfIn PDF document text
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0af8e37592---zitusilopo.pdfIn PDF document text
- https://lifo-sea.com/ckfinder/userfiles/files/50846823690.pdfIn PDF document text
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/nbkprvq3loucn0gf5heag8ij85/18400731463.pdfIn PDF document text
- https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/4gtr1lnenieo7igbethihgb3md/75477224830.pdfIn PDF document text
- http://panziofabian.hu/fck_kepek/79606055564.pdfIn PDF document text
- https://araprinter.com/ckfinder/userfiles/files/17380965428.pdfIn PDF document text
- http://timelessmebel.ru/wp-content/plugins/super-forms/uploads/php/files/4f8095e174078438942bcd174687dd4d/divewowakigaviwamix.pdfIn PDF document text
- http://gamax-motor.cz/data/dokumenty/74470283616.pdfIn PDF document text
- https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/0nlhfntovsb0m8b15ko2svrc51/31156088599.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_off0000d805.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD805 | 11556 bytes |
SHA-256: cf55fec452633ea92aafeeee03120c66aa0a0c13fcf8e1ce217e32429557579e |
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font_01_sfnt_off0000f2bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2BF | 18824 bytes |
SHA-256: 132ea14952cd9c34c7b6bc5c1a4f1ccebae4653e804b77abe1474392dd0f3070 |
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font_02_sfnt_off000122de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122DE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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