MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple external websites, some of which are hosted on compromised CMS platforms or disposable domains. The presence of numerous URLs, including 'https://nomylo.ru/uplcv?utm_term=doodle+army+apk+download' and 'http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/16140f21288b3b---78131333702.pdf', suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://nomylo.ru/uplcv?utm_term=doodle+army+apk+download PDF link annotation
- https://pass-eco-energies.com/ckfinder/userfiles/files/31629228925.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/qgq45eobqoqcmmtmk4h4okm0h6/zejiw.pdfIn PDF document text
- http://www.gamylai.vn/uploads/files/3906848074.pdfIn PDF document text
- http://sarkar.ie/userfiles/file/11282069001.pdfIn PDF document text
- http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134513f9a822---12549672310.pdfIn PDF document text
- http://ttccid.com/userfiles/files/wuremidutet.pdfIn PDF document text
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/7a79650866dab3c08491ae91f5c79c0b/25818685299.pdfIn PDF document text
- https://hirurgija.me/files/lulugajuwivewesakotaj.pdfIn PDF document text
- http://thriftstorewebsites.com/flash/thriftstorewebsites.com/file/32190720489.pdfIn PDF document text
- https://www.rougeindigo.com/ckfinder/userfiles/files/24103605078.pdfIn PDF document text
- http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/16140f21288b3b---78131333702.pdfIn PDF document text
- http://oishisushigd.com/uploads/files/zivawinotonetexozoziw.pdfIn PDF document text
- https://bunexim.dascalita.ro/app/webroot/files/userfiles/files/60275827607.pdfIn PDF document text
- http://locke-3c.tw/uploads/files/202109010921068133.pdfIn PDF document text
- https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/161405db088237---84932389801.pdfIn PDF document text
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/bbd6b766ecf29be3d6ad440b9055d59a/tawokedijorudoseg.pdfIn PDF document text
- https://pensionradvanice.cz/res/file/635467997.pdfIn PDF document text
- http://harekatmemuru.com/images/Media/files/25142875628.pdfIn PDF document text
- https://parfumzone.ro/files/file/mevafaxula.pdfIn PDF document text
- http://hajnysport.cz/FCK_userfiles/file/3083951874.pdfIn PDF document text
- https://guruvinodji.com/Userfiles/file/64327383094.pdfIn PDF document text
- http://kbinteriery.cz/userfiles/file/66974595792.pdfIn PDF document text
- http://firewheels.pe/userfiles/file/92606538908.pdfIn PDF document text
- https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613aa7a531e6e---82514843370.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_off0000c4fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4FC | 16876 bytes |
SHA-256: ee9204db1533bb2a29163fd3b7d5e8e0a38c7a8c70f14f2583b14ea3a8d67917 |
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font_01_sfnt_off0000f09e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF09E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000108b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108B5 | 10488 bytes |
SHA-256: 4b9b48d992d3473d45ffe1d0c48ed1504d2064c3e71b2f0c18e7bf07183aa368 |
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