MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm directing to multiple compromised CMS upload directories, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The document body is unreadable binary data, but the heuristics and URLs point to a malicious link farm attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9922
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://mp-hd.de/data/aktualnosci_imgs/file/10247176962.pdf In PDF document text
- http://7onseventh.org/clients/868256/File/92751597023.pdfIn PDF document text
- https://www.aserspa.net/wp-content/plugins/super-forms/uploads/php/files/hbb3v6qi0n2g44hdhhif21d7r3/3553832375.pdfIn PDF document text
- http://ebslang.net/_UploadFile/Images/file/27869760739.pdfIn PDF document text
- https://www.rockfallco.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607252f6c2ac6---filisimavipawonosubebej.pdfIn PDF document text
- http://doo-san.com/userfiles/file/20210513200757.pdfIn PDF document text
- http://adabaskimerkezi.com/upload/file/desexepovote.pdfIn PDF document text
- https://indianpowerliftingfederation.com/userfiles/file/fikogaxepolavam.pdfIn PDF document text
- http://www.radiooro.com.mx/media/images/uploads/files/bokaralogabademovosawuvub.pdfIn PDF document text
- http://www.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a2b932c9981---56400688476.pdfIn PDF document text
- https://www.cibaospalaser.com/wp-content/plugins/super-forms/uploads/php/files/3f99cn3ggs0pvapqjjpl12f0i9/penumedodudifo.pdfIn PDF document text
- http://asupuro.com/upload/save_image/files/pujeleduzuzajod.pdfIn PDF document text
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609118441c628---zefuzixewutobegi.pdfIn PDF document text
- https://muzeumkonstancina.pl/attachments/file/96376646125.pdfIn PDF document text
- http://ventilatoryzlin.cz/images/file/89336302586.pdfIn PDF document text
- http://clubselectionvoyages.com/images/file/biropovo.pdfIn PDF document text
- https://aspaeng.com/files/image/files/powemuwowazonamipokimopi.pdfIn PDF document text
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/a733d6c86053b4179f579745f6436942/labapujudiwonoxitumuva.pdfIn PDF document text
- https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/86d46en06nau4rmntsn9vma014/30671325372.pdfIn PDF document text
- http://zavalinka.by/var/upload/file/soxax.pdfIn PDF document text
- https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/035003f9116be78165276bbd9fc616cc/monezofugubiwi.pdfIn PDF document text
- http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160d6092e02a3e---vozujixuwizozejixaga.pdfIn PDF document text
- https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/lhtongpuu55d2957q25jdr16d3/81726611786.pdfIn PDF document text
- https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/ab271d5a2822bc5df6c1a3a9b31501e8/44699690346.pdfIn PDF document text
- http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/16099e3b21f460---xasuw.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=beethoven+musical+periodPDF 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_off0001210c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1210C | 17448 bytes |
SHA-256: 04297d90d19f617cfd04b78d88e18aaeb4607a8d07142fe8be2039ea7751086f |
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font_01_sfnt_off00014e8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14E8C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000166a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x166A3 | 10996 bytes |
SHA-256: 55f66702c5abcce9b8774482148d57e9cd9dfef5f1c011f292746a1c667f570e |
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