MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites and disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware delivery. The presence of external URIs and a link farm strategy points towards an attempt to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
Heuristics 7
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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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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 https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/liobn4nbqsdlsuo9cpvi4h7736/pumufu.pdf In PDF document text
- http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b8dcb70b20a---67912601002.pdfIn PDF document text
- http://altelaw.com/uploads/image/file/55478626149.pdfIn PDF document text
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606e5fe11a43d---sasunufagapowatid.pdfIn PDF document text
- http://swaminarayangm.org/userfiles/file/zolige.pdfIn PDF document text
- https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/379b26b71e75e7f20cf1e9b507678c2d/finilupurolinebepakuxelu.pdfIn PDF document text
- http://beepost.vn/upload/userfiles/files/49325105518.pdfIn PDF document text
- https://takeorders.online/wp-content/plugins/super-forms/uploads/php/files/q9c4gla55r1mr0vqiquta05e11/92097573989.pdfIn PDF document text
- https://marcuspietrek.de/MARCUS/files/file/kitinazonaxok.pdfIn PDF document text
- https://stbenedikt.ch/userfiles/files/73882992552.pdfIn PDF document text
- http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/160acdf69b4e62---sabugimegepiramerokusu.pdfPDF link annotation
- https://tarzminder.com/resimler/files/62138360935.pdfIn PDF document text
- http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160746d18ba7ed---fokoxopuzeboruvukujid.pdfIn PDF document text
- https://bursac.net/userfiles/file/vorusa.pdfIn PDF document text
- https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/4ef35f949d23d283337fdeba98c7478f/7974340496.pdfIn PDF document text
- https://locktactyuma.com/userfiles/file/meponokoxuxetupitunase.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=the+intouchables+2011+watch+onlinePDF 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_off0000d75b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD75B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ef6d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF6D | 18156 bytes |
SHA-256: 313fba0bfee7949195518e79499e4dada19c7a5604053f496ec5d7f39e88f742 |
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font_02_sfnt_off00011e94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E94 | 10808 bytes |
SHA-256: 27a1bf0a4f4fc4ca4483d21aa4ffed5dac9dce3bd50ff91002c9398ae1f3ad1f |
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