MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to multiple compromised WordPress sites, identified by heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM'. The ML classifier and ClamAV also flagged this PDF as malicious, indicating a high likelihood of phishing or malware distribution. No scripts were extracted, but the embedded URLs are the primary indicators of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9929
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://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/160c5e9fb167ed---luxiwovarenufaximin.pdf In PDF document text
- https://lightingsystemscol.com/wp-content/plugins/super-forms/uploads/php/files/d20db495a2239ab6d2d7971346f7497a/nunurizowib.pdfIn PDF document text
- https://fourseasons.events/wp-content/plugins/super-forms/uploads/php/files/7fa68ff1052b852113bfb09f0532e3fb/52404730169.pdfIn PDF document text
- http://artospace.com/pics/file/zasalebafuxo.pdfIn PDF document text
- https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607d1aa47f722---kebunuxosupevokofunevik.pdfIn PDF document text
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/160afe4cb471f8---mikeg.pdfIn PDF document text
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/4a76638d9ccc19ea229398c445e34e05/lotamaribabikube.pdfIn PDF document text
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d40c391ead---gofisowokilujaxikagiwim.pdfIn PDF document text
- http://bjhtdszdh.com/v15/Upload/file/20215201547597296.pdfIn PDF document text
- http://zavalinka.by/var/upload/file/fixiwugepanojadigijotol.pdfIn PDF document text
- https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160a497d4e2d6a---3628654454.pdfIn PDF document text
- http://solar-makernavi.com/ckfinder/userfiles/files/migivipinozinulira.pdfIn PDF document text
- https://marwaautorepair.com/nbloom/fckuploads/file/futap.pdfIn PDF document text
- http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160945e9fd126e---84332360074.pdfIn PDF document text
- https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/0d24abcc4f319b32b8b68058e23b13ed/61360951597.pdfIn PDF document text
- https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a9aca9236b1181a16a2fa0ad54c1756f/mudurasipodelev.pdfIn PDF document text
- https://koncnc.com/genelresimler/file/bomozarifufokadi.pdfIn PDF document text
- http://inter-travel.hu/_user/file/3050471129.pdfIn PDF document text
- http://thuduchouse.vn/pics/file/97004028075.pdfIn PDF document text
- http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080b115a4a60---nozobutetoruwejukox.pdfIn PDF document text
- http://degeninhotel.ru/admin/ckfinder/userfiles/files/gufefojava.pdfIn PDF document text
- http://matchedtubes.de/userfiles/file/14154112067.pdfIn PDF document text
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/a8484f0b1a5f8682d6db49a8cbb29856/64313874415.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/2aded9963df069b10002414c096a905b/33782789545.pdfIn PDF document text
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/160846fd014f9d---soxomaneru.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=somewheres+and+anywheresPDF 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_off00011a32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A32 | 17056 bytes |
SHA-256: 5a9f6b08adaa8a97cc9a9a4ed29e6c414149c423ace015c4705406bcb790276f |
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font_01_sfnt_off00014685.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14685 | 10552 bytes |
SHA-256: 505dcf7cbe220931c891866b8729da2eb0f799faa184a6c8595b147f5bb27970 |
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font_02_sfnt_off00015e6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15E6E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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