MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS upload storage, indicating a link farm designed to redirect users. The presence of 'utm_term' parameters suggests a phishing or spam campaign. ClamAV detection and ML classification confirm the malicious nature, with the primary attack pattern being a lure to external malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://crewmak.ru/uplcv?utm_term=room+planner+pro+apk+free PDF link annotation
- http://cinstech-inspect-survey.com/fckeditor_userfiles/file/kukizefuziwilifefura.pdfIn PDF document text
- http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c566f0df57---75876872051.pdfIn PDF document text
- http://pieseclimaauto.com/files/file/rilatumurukewagimiluk.pdfIn PDF document text
- http://anais.terminarz.online/kosmetyczka/krakow/files/sinalizagok.pdfIn PDF document text
- http://www.herbertvanderbrugghen.nl/draft/malikebemegukamu.pdfIn PDF document text
- http://woodlander.sk/grafika/file/95276613708.pdfIn PDF document text
- http://ventima.ru/userfiles/file/zivusowamovexerezasu.pdfIn PDF document text
- http://bukvoznaika.ru/ckfinder/userfiles/files/90453770573.pdfIn PDF document text
- http://etre-belle.su/images/file/wixununu.pdfIn PDF document text
- http://dailymaydemtien.com/userfiles/files/3179545798.pdfIn PDF document text
- https://olgunbey.com/upload/ckfinder/files/7467850798.pdfIn PDF document text
- https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/8b1516a0a875c8f959c42cf3572f090e/kijivaviboku.pdfIn PDF document text
- http://edukoc.net/userData/ebizro_board/file/nezupabidakimadopep.pdfIn PDF document text
- http://hocomesun.com/upload/kufukulimonibepogaful.pdfIn PDF document text
- http://xn--rssx31a7tec6p.com/upload/userfiles/files/20210917141613.pdfIn PDF document text
- https://laplacedesstores.com/upload/file/71814287747.pdfIn PDF document text
- http://mishelik.ru/userfiles/file/tetopedisesogade.pdfIn PDF document text
- http://skisun.it/userfiles/files/nikod.pdfIn PDF document text
- https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/c27a6fe45ad94de5a3db5432618a8d0b/7754545998.pdfIn PDF document text
- http://floral-design-lindgens.de/userfiles/file/59993510141.pdfIn PDF document text
- http://bdsps.org/slbdavbatala/userfiles/file/lawupikurelutosawo.pdfIn PDF document text
- https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/af5f554853ec5399740eaeafe18ebbdf/xodudolagebalurinalipesa.pdfIn PDF document text
- http://h04ydivan.ru/userfiles/file/3776435518.pdfIn PDF document text
- https://et-auditing.com/userfiles/files/raxulo.pdfIn PDF document text
- 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_off0000d00b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD00B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e81d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE81D | 20756 bytes |
SHA-256: 30805008216e9352f47c59b0adef8583728fe3642974d0b8841a7e45ed218ba2 |
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font_02_sfnt_off00011e48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E48 | 10296 bytes |
SHA-256: ecb7eadb74991eb56c5b508bfa48051974dd90081c4e5209ec426b986737c025 |
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