MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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 http://sungder.com/upload/tagisinameloveterur.pdf In PDF document text
- https://textmakareknutsson.se/upload/image/jevalok.pdfIn PDF document text
- http://zima.italie-ubytovani.cz/data/file/laguwidud.pdfIn PDF document text
- http://brava-ekb.ru/userfiles/file/xanufuwalu.pdfIn PDF document text
- http://nattuvaartha.com/assets/ckfinder/core/connector/php/uploads/files/piruzofaluvin.pdfIn PDF document text
- https://hiroyoung.com/data/files/vowagagepuwem.pdfIn PDF document text
- https://ceccarmehedinti.ro/userfiles/file/tizonilapox.pdfIn PDF document text
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1615b1b01a165d---sozelixemug.pdfIn PDF document text
- http://xn--80aadq3ae7aa5k.xn--p1ai/upload/file/37722701480.pdfIn PDF document text
- https://weblative.com/wp-content/plugins/super-forms/uploads/php/files/o6j5c18o1nigaufib3um0sljfa/lemijilofokop.pdfIn PDF document text
- http://istanbulballoons.com/ckfinder/userfiles/files/60690049818.pdfIn PDF document text
- http://tortsurprise.ru/upload/redactor/files/1497325964.pdfIn PDF document text
- https://rowsontw.com/shopadmin/upload/files/mulumalijufaxog.pdfIn PDF document text
- https://tortugafilms.ca/adminfiles/file/81717686242.pdfIn PDF document text
- http://snft.ro/media/file/lerubawogatatumesi.pdfIn PDF document text
- https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/1d8c43ec699aa14deb431f29c892f379/berazamumobekezowevevim.pdfIn PDF document text
- http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/1614d3bb55c92a---49378878150.pdfIn PDF document text
- http://master-br.ru/img/file/21673212302.pdfIn PDF document text
- http://synergienetwork.net/userfiles/file/pevisese.pdfIn PDF document text
- http://maschimaurizio.it/userfiles/files/vuvetigof.pdfIn PDF document text
- https://primer-spb.ru/files/files/19949154634.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=cups+to+milligramsPDF 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_off0000d653.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD653 | 20788 bytes |
SHA-256: f0c515b0abe238ce82a785aa667e0964199c26e5414870e6033d943557891e65 |
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font_01_sfnt_off00010c18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C18 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001242f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1242F | 10492 bytes |
SHA-256: 760d63f37deb4a3d203fc964ebb4634cb1fd7c77b5d57d57f33b14f2f3736669 |
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