MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://burstallconrad.com/editor_files/file/50599818574.pdf In PDF document text
- https://doellefjelde-mussemarked.dk/images/newsmail/file/luwavu.pdfIn PDF document text
- https://liniagdanskzydowo.pl/files/sowewavakeg.pdfIn PDF document text
- http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/160721df7109c5---69047914799.pdfIn PDF document text
- http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608010961e269---96958000559.pdfIn PDF document text
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/1e00bccd3a3666705349fd6e15d48308/gojewedilufotimavovu.pdfIn PDF document text
- https://baileyelectrical.services/wp-content/plugins/super-forms/uploads/php/files/bs4q9lkag98ppbe25shchnpumj/petozufurugodakakexu.pdfIn PDF document text
- http://mid-europe-ex.com/images/blog//file/49304787140.pdfIn PDF document text
- https://www.sacda.org/wp-content/plugins/super-forms/uploads/php/files/ai3o6cgncb46jnr4h6gs32vdf2/famibemesalomulifiguxupez.pdfIn PDF document text
- http://landpas.pl/upload/file/69784155801.pdfIn PDF document text
- https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/5d1e33e1c8cac23f9b4281a1caa378fc/82315181133.pdfIn PDF document text
- http://akicgiyim.com/userfiles/file/9800708385.pdfIn PDF document text
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160ff4fcb66d70---bokutiwamanuwofebavizo.pdfIn PDF document text
- https://jgmurphy.com/wp-content/plugins/super-forms/uploads/php/files/7a4956fb2625dd797e3c4c9cffe8f5fd/27872469136.pdfIn PDF document text
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/5019bee32cfaafd57dd0b19e727eb734/17962586417.pdfIn PDF document text
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/16072e427a7a9f---22380954552.pdfIn PDF document text
- https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/f6d26d5773a181c1fe7695c03cc4a6b4/surubifapeneduwew.pdfIn PDF document text
- https://grand-forge.ru/wp-content/plugins/super-forms/uploads/php/files/e10ab6f0858146ed79237175e88c25c4/91739000887.pdfIn PDF document text
- http://watthaistuttgart.de/userfiles/file/xutasoxelenogifub.pdfIn PDF document text
- https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/160847dfe76171---70119968537.pdfIn PDF document text
- http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/1606f61296c9ff---lelolubogitezisi.pdfIn PDF document text
- http://skupka23.ru/upload/m/gonon.pdfIn PDF document text
- https://electroagro.es/pub/files/segijedofakoga.pdfIn PDF document text
- http://www.biotanika.pl/upload/file/20421269410.pdfIn PDF document text
- http://miraesusan.com/ckupload/files/1849130304.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=back+to+the+future+2+full+movie+480p+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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f403.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF403 | 18312 bytes |
SHA-256: 0667ca92397776eafe93ad0c89cd1a1ba0fa0c663bb1c205dc2cea84b11bc8e3 |
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font_01_sfnt_off00012435.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12435 | 11640 bytes |
SHA-256: aee269cbde31bfa7d4fc90d03f3c658cf096b5410faa1a91a0f3a1651cb592e1 |
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font_02_sfnt_off00013fed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13FED | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_03_sfnt_off000157fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x157FE | 16164 bytes |
SHA-256: fd494554c7a7a2c4488382a78096c535ff133766c7221992be4f6a58596b2467 |
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