MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. Multiple heuristics point to the document being a link farm, directing users to various compromised or disposable hosting sites. The embedded URLs, such as http://157.230.241.115/image/upload/File/17253717641.pdf, are likely intended to host further malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
Heuristics 7
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://carstenrath.com/wp-content/plugins/super-forms/uploads/php/files/n9knc43uqcai9j41m3st9j1nli/90571613707.pdf In PDF document text
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af8cab60432---dimimitakunow.pdfIn PDF document text
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cf4353796c4---97399599121.pdfIn PDF document text
- http://157.230.241.115/image/upload/File/17253717641.pdfPDF link annotation
- http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160bab2518cdb9---26794671307.pdfIn PDF document text
- http://adance0112.com/upfile/editor/file/46864219072.pdfIn PDF document text
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/160764a8c791ec---62353128157.pdfIn PDF document text
- http://vce34.ru/attachments/file/zezasilidor.pdfIn PDF document text
- https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/160823f12c16e6---lidezuxexawarir.pdfIn PDF document text
- http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/160bcaae336c87---gevipolebutokutameroged.pdfIn PDF document text
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608583831cc1e---widosofepenajuzid.pdfIn PDF document text
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608e1c6047615---larefapusovopekunelomewi.pdfIn PDF document text
- http://provia-events.de/pics/fotos/1/file/38722897528.pdfIn PDF document text
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160928b6285b99---ledijigizozudasodojufokap.pdfIn PDF document text
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084bf0ed732d---66069384428.pdfIn PDF document text
- http://watthaistuttgart.de/userfiles/file/suromivibifu.pdfIn PDF document text
- https://thealloywheelcentre.co.uk/wp-content/plugins/super-forms/uploads/php/files/c59550bbc1ae9987514d447f79885512/3355945831.pdfIn PDF document text
- https://envida-nieuws.nl/bsb_website/upload_fck/file/83594163471.pdfIn PDF document text
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160774ffea1f65---zuwajikorinejenaniwanizu.pdfIn PDF document text
- https://taevlingar.se/images/pages/file/88403460754.pdfIn PDF document text
- https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a627b0a4320---vemamageraruvemetegojul.pdfIn PDF document text
- http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160855da200ada---dugotuzawosepixisovut.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=defeated+meaning+in+bengaliPDF 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_off0000ccff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCFF | 10452 bytes |
SHA-256: 998cf9941cab30984dde2b84f14488b7d3ca8da6cabe07c2bac3035bf9615680 |
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font_01_sfnt_off0000e472.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE472 | 17972 bytes |
SHA-256: c140580d3cf9f469636b2ab0d2f3f99ffc5c69f9ab7ff6b2093e34490f06a052 |
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font_02_sfnt_off0001129d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1129D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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