MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of links pointing to various websites, many of which are identified as compromised WordPress upload directories. This structure is characteristic of a link farm used to distribute malicious content or conduct phishing attacks. The ClamAV detection and ML classifier further support its malicious nature, likely as a phishing or trojan delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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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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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://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cc06442066---pezen.pdf In PDF document text
- https://razdolle.by/wp-content/plugins/super-forms/uploads/php/files/dmu32semhd8rdi1pbni4p6hl50/mizugagemidudosepil.pdfIn PDF document text
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16092979856a63---95859758147.pdfIn PDF document text
- https://diarch.in/WYSIWYGImage/file/66935049496.pdfIn PDF document text
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160ac2e81cbe36---fasazesuxomifizojenegimo.pdfIn PDF document text
- http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c92921eddf6---nonerepemomum.pdfIn PDF document text
- https://aykutemlak.com/upload/ckfinder/files/kesewuvurodasajowom.pdfIn PDF document text
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/cd1d0e8187a009984f9de4edb247a3fb/kuwelej.pdfIn PDF document text
- https://flycam.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16075527497ea3---foroluretikir.pdfIn PDF document text
- http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/sb0igk1eocdl6dtfufb009pbcs/15820006551.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1606d7d4915a74---gapeketejelu.pdfIn PDF document text
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/895894e9637ef71190a0d2e80ac46dd8/24420083396.pdfIn PDF document text
- https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/6cb8c9787ad617d0ca7edf8972fe7242/soxexu.pdfIn PDF document text
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609843b45c15c---buxaregavilafawedu.pdfIn PDF document text
- https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/422f489dab78bbc135aa17b33b812b9d/sepodubusefovo.pdfIn PDF document text
- http://hgbs.de/userfiles/file/rusenipolofofe.pdfIn PDF document text
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160824d24509a3---17336463627.pdfIn PDF document text
- http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160d27654bf0b4---rosebadesuponudit.pdfIn PDF document text
- http://kperrylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/rojamumapopepuxuleteg.pdfIn PDF document text
- https://gearforfree.com/wp-content/plugins/super-forms/uploads/php/files/8c4bd9o53qun9cllnuptip7m85/fukozekudusavaxake.pdfIn PDF document text
- http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/1607134f7729d7---58203596260.pdfIn PDF document text
- http://dolphinkorea.com/files/files/vemuwamuwe.pdfIn PDF document text
- https://laihouston.com/wp-content/plugins/super-forms/uploads/php/files/454678c82dc5f0700b33ee4f22f5981f/kesafonexurorulo.pdfIn PDF document text
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c51784c2f04---zezubunudipopa.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=organic+chemistry+klein+2nd+edition+pdf+downloadPDF 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_off000103a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103A0 | 11504 bytes |
SHA-256: c3457735b8f465daa2de550b691f5ff397de1b7889af434a2d5921b22672dcf3 |
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font_01_sfnt_off00011ea2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EA2 | 17956 bytes |
SHA-256: 0e3586ec9795f87df522e8bc087e367902a5761e0ef79bdc393387cc43ff7427 |
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font_02_sfnt_off00014e32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14E32 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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