MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external URIs, many of which point to compromised WordPress sites and disposable domains, indicating a link farm designed to lure users to potentially malicious content. ClamAV and ML classifiers confirm the malicious nature of the PDF, likely used for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
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://crysiq.ru/uplcv?utm_term=mezzanine+floor+design+calculations+pdf PDF link annotation
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/qf7qb2kt59jkugih4611bqjahp/84738472372.pdfIn PDF document text
- http://hanbangrd.com/userfiles/file/20210811005638_581431267.pdfIn PDF document text
- https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cf252b525b---buguvexuxubazonesuroxo.pdfIn PDF document text
- http://monroe74.com/clients/871877/File/6294117824.pdfIn PDF document text
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160ad32616d4a1---17926485815.pdfIn PDF document text
- http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160c7c02debeca---37920042826.pdfIn PDF document text
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/7eb8d582f2df775c5fa2eccb35b4079b/vifuvagemigiku.pdfIn PDF document text
- https://ethiquedevelopers.com/wp-content/plugins/super-forms/uploads/php/files/b49950002f2d6475b6ea34d1344b7b9b/12744568661.pdfIn PDF document text
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd1b57bc12d---guvotu.pdfIn PDF document text
- http://studiobaliva.eu/userfiles/files/totexotedobuvofuve.pdfIn PDF document text
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091fca19edfb---69298339192.pdfIn PDF document text
- http://krupongs.com/images/file/38987386221.pdfIn PDF document text
- https://belloverde.net/emailer/file/vuwabi.pdfIn PDF document text
- http://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099b269d9aea---32295799903.pdfIn PDF document text
- http://temple.mo/userfiles/file/7621046236.pdfIn PDF document text
- https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/c1db70feade1a4682c783da7cc9e7940/foxumazajuxawevepotuke.pdfIn PDF document text
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/bvdth887p15iuf93l3a52inehm/zitapa.pdfIn PDF document text
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b7caa1edb23---36895284363.pdfIn PDF document text
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/16076354ff030c---78466227370.pdfIn PDF document text
- https://vildmarksjagt.dk/userfiles/file/zixeme.pdfIn PDF document text
- http://retroldn.com/userfiles/file/13172556799.pdfIn PDF document text
- http://stylekd.ru/files/1779162891.pdfIn PDF document text
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160832fe4e6b2d---muzudalubuzipodalubusar.pdfIn PDF document text
- https://europartner2.pl/uploads/vubinivubafivuwunuwimele.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_off0000c7d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7D6 | 17204 bytes |
SHA-256: f09b6b4e2fcf1ff5cf27d21cff144ceb112fc9d55838668adf292cb5667cb3e1 |
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font_01_sfnt_off0000f3fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3FD | 10948 bytes |
SHA-256: a5c085dacf30137b8c0ad67ec76984dc07f6b49072189fae547d3b3dade917f4 |
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font_02_sfnt_off00010d4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D4F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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