MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm pointing to multiple compromised WordPress upload directories, suggesting an attempt to host malicious content or phishing pages. The presence of external URIs and link farm heuristics indicates a likely phishing or malware distribution attempt, potentially delivered via spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://bezpieczna-strefa.pl/wp-content/plugins/super-forms/uploads/php/files/fb4c49d2a18159f4f6c7b2ff17a9c725/kerurolojexovumasojav.pdf In PDF document text
- http://dbcasagayathottam.org/assets/uploads/cms_images/files/55405707817.pdfIn PDF document text
- https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607dd212d20ff---72657849347.pdfIn PDF document text
- http://fulepmark.hu/nyebu/fulepmark/userfiles/file/fazijeravogas.pdfIn PDF document text
- https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/160982a12af089---pinefupapafowebexap.pdfIn PDF document text
- https://mvpartners.be/images/uploadedimages/file/46799078333.pdfIn PDF document text
- https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ac7e1edbefe---89642697698.pdfIn PDF document text
- http://aurora-c.jp/files/files/46786665104.pdfIn PDF document text
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c756eb21e90---fibosawuwuposatez.pdfIn PDF document text
- https://steklo-shik.ru/userfiles/file/telofolalajifaxe.pdfIn PDF document text
- https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e8d3b65da4---37216863204.pdfIn PDF document text
- https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072d57c6aae6---88119003318.pdfIn PDF document text
- http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160a3e81fef01f---tenijedezuvume.pdfIn PDF document text
- http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/178e821a64540f85e54d2b5af48b23fd/16634316447.pdfIn PDF document text
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a625f931cac---zoruvugubowajozolokekek.pdfIn PDF document text
- https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2944a6def1---motuwelitosedogud.pdfIn PDF document text
- http://riggi.ru/userfiles/file/26013390486.pdfIn PDF document text
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/4d0s6s8s8qv08t5jra67q6e9i5/xigakomadivaf.pdfIn PDF document text
- https://pnp-studio.com/fckeditorfiles/file/zozatot.pdfIn PDF document text
- http://baovevietnam-vnss.com/upload/file/39847874051.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/16072687b48efe---lazujenutifavineto.pdfIn PDF document text
- https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160b5e63a8afc4---tipewu.pdfIn PDF document text
- http://hi-reid-solutions.com/wp-content/plugins/super-forms/uploads/php/files/9a8d82e1af6cda3b6d82eaef53684b13/koxukibevenufebiwumijewad.pdfIn PDF document text
- http://bigband-ulm.de/userfiles/files/vezelikibolide.pdfIn PDF document text
- http://princeworldwide.com/multimedia/userfiles/file/64261613940.pdfIn PDF document text
- http://psychologyforeverybody.com/ckfinder/userfiles/files/53800260617.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=young+puffy+titsPDF 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_off0000da53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA53 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f265.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF265 | 16848 bytes |
SHA-256: 0f49053124acb8f7ab93e09b4f0e6d9387549269c0f7755501fe10aad2a44e25 |
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font_02_sfnt_off00011dfc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DFC | 10288 bytes |
SHA-256: 852d3abc16bd05a94ce109c8e6bfaf8b199d8bae4b59b9fd74c485e319ae9ebf |
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