MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a phishing or malware distribution scheme. The presence of a link to an IP address further supports this, as it bypasses domain-based reputation checks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 7
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://vankouwenenmastop.nl/UserFiles/file/diluxulekopibel.pdf In PDF document text
- http://xn--e1aaafipco3bk8gra3b.xn--p1ai/upload_picture/file/2197261247.pdfIn PDF document text
- http://irk-yoga.ru/upload/files/96482765455.pdfIn PDF document text
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9683c5b8a---baxowenipisimawefeputexor.pdfIn PDF document text
- https://sgdivorcelawyers.com/wp-content/plugins/super-forms/uploads/php/files/0bc8ea07464f00fd8916168af8688408/xegeruxivosafolex.pdfIn PDF document text
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5e99d8a900---fonapezuboribe.pdfIn PDF document text
- https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/f0msucdn14sv3d2a7mqn2fkaii/85303363927.pdfIn PDF document text
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/a23203f697c33077b812ec955b1b747b/xofusazoxenoradotomonupal.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a621262d7cb---liwokewepizefagi.pdfIn PDF document text
- http://www.yevres.fr/ckfinder/userfiles/files/66333347413.pdfIn PDF document text
- https://maugli24.ru/wp-content/plugins/super-forms/uploads/php/files/4c3a1027b0580a2afc49d416b5fcf33c/80264471690.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fd9453182d7---fikujopuxuv.pdfIn PDF document text
- http://goreskyreunion.com/clients/b/ba/ba087d28c24afe6c5bc45fa062332e47/File/jomiwamirizowu.pdfIn PDF document text
- https://satybharat.com/ci/userfiles/files/2014553645.pdfIn PDF document text
- http://xn--d1achljw0b.xn--p1ai/content/upload/53343439990.pdfIn PDF document text
- http://www.tobywells.org/media/fckdir/file/49659456428.pdfIn PDF document text
- https://www.autodepotperformancegroup.ca/wp-content/plugins/super-forms/uploads/php/files/mvpvqm4uvddqaq558ea3h0as3j/30870115003.pdfIn PDF document text
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/16105e9dc58b43---48568237919.pdfIn PDF document text
- http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/1607dd040b7e41---fivofojuj.pdfPDF link annotation
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/160834608267f1---93628070328.pdfIn PDF document text
- https://coebmsf.com/userfiles/file/jagipixarevupewatowi.pdfIn PDF document text
- http://harryreichert.de/uploaded_pics/News/file/28040613944.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+make+a+fake+paternity+testPDF 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_off0000f2e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2E2 | 10756 bytes |
SHA-256: af0f655f9fa85c1dfc593dad90fa2980c7ac19fdfa5423c74ecc4d112373d84a |
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font_01_sfnt_off00010baa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BAA | 16948 bytes |
SHA-256: 1a79999f4dff54dc180bbadab1eb198835a728b8380b691312fa18b8404810d0 |
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font_02_sfnt_off000137d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137D1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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