MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised CMS upload directories and disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure points to a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 http://blatt-gruen.ch/files/ferobisofirike.pdf In PDF document text
- http://crmrealty360degree.in/userfiles/file/904142441.pdfIn PDF document text
- https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/52vh57oih1qbcv8pobpp8prfle/bujagalulireni.pdfIn PDF document text
- https://visionbrindes.com/admin/fckeditor/userfiles/file/23811767425.pdfIn PDF document text
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b0a0f0a2d7---8216171649.pdfIn PDF document text
- http://deltastal.ru/userfiles/file/borinovikoxuf.pdfIn PDF document text
- http://birzebbugastpetersfc.com/files/file/xafaxeno.pdfIn PDF document text
- http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160be6e9404b93---lopavosofiv.pdfIn PDF document text
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abd10c7b842---40785081265.pdfIn PDF document text
- http://logisticsnetworks.net/ckfinder/userfiles/files/wususu.pdfIn PDF document text
- https://maspacientes.es/wp-content/plugins/super-forms/uploads/php/files/t8muo9kprfvgrccqmc1d2ufqrp/jinamanafagaxajop.pdfIn PDF document text
- https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/757d05d43761ea59d37b0c7171218aca/jumazexuvifanak.pdfIn PDF document text
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adfc1cbd81d---65342024766.pdfIn PDF document text
- http://ninfahartman.com/clients/d/d5/d5ac6782717b6a1c58177985440d8e57/File/68772164130.pdfIn PDF document text
- http://praconsulgroup.ru/pict/file/xedusogala.pdfIn PDF document text
- http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce428f0c3f5---82828725668.pdfIn PDF document text
- http://3colorjazz.com/fckeditor/userfiles/image/xisemijujupidixaxetex.pdfIn PDF document text
- https://zlatartopalovic.rs//files/98817062345.pdfIn PDF document text
- https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/11ah0n9cagjhfk7ph7j94of13u/gurogevinof.pdfIn PDF document text
- http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/348ab4f94ad5def7c86b00b204ff067b/6921059870.pdfIn PDF document text
- http://mitsubishilongbien.vn/images/ckeditor/files/58761912069.pdfIn PDF document text
- http://cesishotel.lv/res/wysiwyg/file/zitawozebugeka.pdfIn PDF document text
- https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/0464b29fe5a5d9672f1c11deab431a27/xuxinazezozotuf.pdfIn PDF document text
- https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/0432710335ff10e7c49ac31c96f6fae6/82537879314.pdfIn PDF document text
- http://kleiberit.ru/files/file/39592495167.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=ordering+decimals+from+least+to+greatest+calculatorPDF 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_off0000e9a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9A5 | 10944 bytes |
SHA-256: 485abf9f22e67b453f9d2359e3f974672a3f2beca04db3bd44be86e08525a1c1 |
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font_01_sfnt_off000102cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102CF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011ae1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AE1 | 17200 bytes |
SHA-256: a1192b14fadbd3dd9315646ee42ce58f29e74e67de78293521e9828bb04ea94f |
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