MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting it functions as a link farm to direct users to malicious content. No scripts were extracted, but the overall structure and heuristic firings indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9905
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://xn--80aaa1arbfjoe3bzh.xn--p1ai/data/files/67500071018.pdf In PDF document text
- https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/161413e8381be9---fisubaxiwejogarifofuloted.pdfIn PDF document text
- http://netichikawaya.com/userfiles/file/23127791498.pdfIn PDF document text
- https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/7cc013c14dcd3fe61f1e955c8f68c789/daxarot.pdfIn PDF document text
- http://andrelandberg.com/userfiles/file/62140568635.pdfIn PDF document text
- http://gallery4walls.com/upload/editer/file/roredabipunurusivojorune.pdfIn PDF document text
- http://huerural.com/uploads/image/files/5806909410.pdfIn PDF document text
- http://robalton.es/Albums/images/file///purazolanejeme.pdfIn PDF document text
- https://locoffice.ru/userfiles/file/18193066720.pdfIn PDF document text
- https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/344a9a111cd0f3e03ed4fe15b95d170d/67048188522.pdfIn PDF document text
- http://djpress.pl/Image/files/zarojazidojotivo.pdfIn PDF document text
- http://hindustanadvancedsolution.com/t/tutorfirm/uploads/ck/files/vebiferitelororuzosote.pdfIn PDF document text
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f9facee036---94211008314.pdfIn PDF document text
- http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613853d4c6821---13129192658.pdfIn PDF document text
- http://optometrystaprzemysl.pl/userfiles/file/videgumigadijakan.pdfIn PDF document text
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613817edd1b17---4866572308.pdfIn PDF document text
- http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613239c7d52bf---juviresokiten.pdfIn PDF document text
- http://www.sport-konyv.hu/userfiles/file/gubizozejum.pdfIn PDF document text
- http://silverk.ru/img/lib/file/63209311924.pdfIn PDF document text
- http://xn--djr00fsyfv0o5qgy9u.net/filespath/files/20210905175117.pdfIn PDF document text
- http://omonetach.pl/foto/ilustracje/file/17147357563.pdfIn PDF document text
- https://pvcmikser.com/upload/files/notiz.pdfIn PDF document text
- https://etonbio.com/newsLetters/images/file/77183005251.pdfIn PDF document text
- https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/485ff2df71efe2d5b308d89da596b2eb/mebutavonirodudoniza.pdfIn PDF document text
- http://yushendesign.com/images_fck/file/1630579127.pdfIn PDF document text
- https://juniorclublivorno.com/sitonews/images_upload/files/tugexovebagatuvedo.pdfIn PDF document text
- http://megaprestige.ru/uploads/files/56640475247.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=restringing+nylon+guitarPDF 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_off0000e343.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE343 | 18440 bytes |
SHA-256: 72ebb78542db8e7ba54acb1e59d0d5e29985d6499d9d067a568a95fd834b6867 |
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font_01_sfnt_off000112f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112F9 | 10540 bytes |
SHA-256: 2b31e988e7da5d78fa6aea0d37bbf4c08308d647328015694fa1f4ad3363cb3c |
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font_02_sfnt_off00012b2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B2B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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