MALICIOUS
156
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 for phishing or malware distribution. ClamAV detection as 'Pdf.Phishing.Trojan' further supports a malicious intent. While no scripts were directly extracted, the nature of the URLs and the heuristic firings suggest an attempt to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9979
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://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9cd5eeb3ef---zupixodipedonugonajut.pdf In PDF document text
- https://www.varishastalari.com/wp-content/plugins/formcraft/file-upload/server/content/files/160860a6c2893d---powegewopapux.pdfIn PDF document text
- http://yangpupark.com/uploadfile/files/tewetezimemoriwatekanureg.pdfIn PDF document text
- http://mariekevanvlierden.nl/survey/userfiles/files/karadelezo.pdfIn PDF document text
- http://harryreichert.de/uploaded_pics/News/file/2456794526.pdfIn PDF document text
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c2a1ef79352---29377857006.pdfIn PDF document text
- https://agroadvanced.com/app/webroot/newsletters/editor/files/dafitobalu.pdfIn PDF document text
- https://amenajarisiconstructii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16073cbe244013---18132727143.pdfIn PDF document text
- https://termokingbt.com/ckfinder/userfiles/files/nebotutorenuna.pdfIn PDF document text
- https://siangyun.com/upfiles/editor/files/84295099999.pdfIn PDF document text
- http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607917d7110d0---vokezofenozilona.pdfIn PDF document text
- https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/m27ujrh9nni7s0leng7srhufc5/54004163649.pdfIn PDF document text
- https://study4student.com/cache/fck_files/file/xogeruzepekunoneri.pdfIn PDF document text
- https://sacc-la-chaux-de-fonds.ch/fichiers/file/podudibotumifufidodopino.pdfIn PDF document text
- https://idealist.ro/userfiles/file/70672056568.pdfIn PDF document text
- http://jmdfhjl.com/fckeditor/userimages/file/49704559747.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf87c83ac67---68799760208.pdfIn PDF document text
- http://edanieltour.com/FileData/ckfinder/files/20210528_4D9264AED6B673DF.pdfIn PDF document text
- http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/qh4j2s5136am0hr98jmur7bfb6/xilekugujutonesigilebi.pdfIn PDF document text
- https://artlabjo.com/userfiles/file/midazona.pdfIn PDF document text
- https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/1170a1d4978c3e82301c0a8d35fa2cab/jokimokoxerovux.pdfIn PDF document text
- http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/160983603baa03---16308545284.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e6f1bc3e178---sebir.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=libro+primeros+escritos+de+elena+de+whitePDF 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_off00015ac6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15AC6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000172d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x172D8 | 19524 bytes |
SHA-256: 73774930d28d94eba4de17a0cc54345c373a78d09bde4b41bcbca710c4fa8a9f |
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font_02_sfnt_off0001a537.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A537 | 10960 bytes |
SHA-256: 406c7d7ba05e232ea94d6aa38044775094a846456deba650861823077363383e |
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