MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious. It contains a link farm with numerous URLs, many pointing to potentially compromised WordPress sites, suggesting an attempt to lure users to malicious content. The presence of external URIs and link farms indicates a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://hagepoorter.be/files/files/82445027798.pdf
- https://vieclamhanoi247.com/upload/files/vufazaluxewolewoza.pdf
- https://chuyennhakienvangvn.net/upload/files/70529975685.pdf
- http://ziconiavip.com/uploadfck/file/46263066150.pdf
- https://www.treehousecare.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607016f00af14---bekamojadat.pdf
- https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/l13e1mmmqlac0idt8am9mj1vlj/sipexirenazekep.pdf
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160ac8ba20474b---falusenogelonevidozin.pdf
- https://bbgpiti.com/userfiles/files/jatebupulu.pdf
- https://georgiamusicpartners.org/wp-content/plugins/super-forms/uploads/php/files/e8d16193940c07eca8172865db694669/93256706039.pdf
- http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/9e3d0336afc90fc166de33abcd745d63/43133615432.pdf
- http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c817c1ef9b---23801154421.pdf
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/khj839iemua34s8k3fofacpuv1/bakifupi.pdf
- http://auto-spec.ca/fck/file/sexovupomu.pdf
- https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/ducc8ls9s686suhliqcjf4pa45/xevofudejep.pdf
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607682e66517e---vumimageku.pdf
- https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/e27bbc1ce128a0752b263d03fa2a7b70/36615324792.pdf
- http://puzynowska-kancelaria.com/userfiles/file/dataxuvemowodufugaw.pdf
- http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607556d2a1292---77118324396.pdf
- https://kalitelivideoizle.com/resimler/files/jovupobajat.pdf
- http://ivepe-elearning.gr/assets/UserFiles/mainHome/file/50884584970.pdf
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ad4ffef0e4e---62361789464.pdf
- http://svatba-emi.com/uploads/pages/files/69891828622.pdf
- http://amctop.com/board_data/editor_img/file/202106240502.pdf
- http://qtjdb.com/UploadFile/2021/05/10/file/20210510_025741_148.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=a+baptism+of+fire
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ea51.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA51 | 16792 bytes |
font_01_sfnt_off00010263.bin67192f6161cef7db26447113cb3da7679ddc7fc83581c5645d7ff427f659f1ca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10263 | 16924 bytes |
font_02_sfnt_off00012e3a.binc26885a4886567c835229c6afaf406d27fbb0ee6c93c2aae58f81fb6ed3edc6f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E3A | 10492 bytes |
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