MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous URLs pointing to compromised CMS upload directories, suggesting a phishing or malware distribution scheme. The presence of multiple links on disposable or compromised hosting reinforces this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/1b207b4a04f78591a07292c977026419/40311254335.pdf In PDF document text
- http://oreade-breche.fr/userfiles/file/zilebavudajitawugepa.pdfIn PDF document text
- http://cyc.cz/pictures/clanky/files/78944870922.pdfIn PDF document text
- https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/97580d88e8e8fa8a2e3b9140e1dd9da5/wukabofevubutoke.pdfIn PDF document text
- https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff1b4ee50b---lijurijaxevitumomag.pdfIn PDF document text
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a2b59f88758---58913096323.pdfIn PDF document text
- http://intranet.uts.edu.co/portal/app/ckfinder/userfiles/files/kovilikalufuvebog.pdfIn PDF document text
- https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2f3b8e016---50841667239.pdfIn PDF document text
- http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1607e2cbff301c---pamediminizozoja.pdfIn PDF document text
- http://chiengthai.com/file_media/file_image/file/tijiwitewipi.pdfIn PDF document text
- https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/9f7a11988171fa03a06c6690c5a784ef/jorunewavisuzigapeto.pdfIn PDF document text
- http://1000projects.ru/upload_picture/file/bofuwaxugomipexedisoxetu.pdfIn PDF document text
- https://dewalt-naradi.cz/media/upload/editor/file/tulifixakim.pdfIn PDF document text
- https://brod-plovdiv.com/images/79696478894.pdfIn PDF document text
- https://horticulturenepal.org/userfiles/file/lisuzasejiniwikafasaja.pdfIn PDF document text
- http://birizgardenhotel.com/userfiles/file/nodalivulagiwewodaga.pdfIn PDF document text
- https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/b9ed9d735f9dbdb6e8861e3522062607/bukowadagonojefixekumi.pdfIn PDF document text
- https://okazdedziecko.pl/_files/Media/file/5977357770.pdfIn PDF document text
- https://salvamontbihor.ro/app/webroot/files/userfiles/files/95562541704.pdfIn PDF document text
- http://yokohama-model.com/userfiles/files/30066711092.pdfIn PDF document text
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/472bb1c9bee85f0dac7e382bd783f4a4/lopolirul.pdfIn PDF document text
- https://medgarlci.com/wp-content/plugins/super-forms/uploads/php/files/4d6df0fb7933524ed617ebc39a1ff4ba/37938662123.pdfIn PDF document text
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b171d484d72---wevofifusulot.pdfIn PDF document text
- http://vom-ragnaroek.de/uploads/file/zegematew.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=is+annexure+c+mandatory+for+minor+passportPDF 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_off00011ba3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BA3 | 11000 bytes |
SHA-256: 0778806c8846465001727c79d1669ec5309c2bc02bf9ece61d9ab6a105f51b8d |
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font_01_sfnt_off00013541.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13541 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014d53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14D53 | 16656 bytes |
SHA-256: 4ea420e89964072eeb1520b62f45208faad80d254a7375637e2038e2fac3fcb5 |
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