MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains numerous URLs, many pointing to compromised WordPress upload directories, suggesting it's part of a link farm designed to lure victims to malicious content. The presence of embedded URLs and the overall structure strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://drafthe.ru/uplcv?utm_term=panasonic+bread+maker+sd+251+instruction+manual PDF link annotation
- https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609915cb2e8f6---92257124701.pdfIn PDF document text
- http://yournamebadges.com/withyourdog/cms_uploads/file/92651437358.pdfIn PDF document text
- http://ellev.fr/upload/files/vojofeda.pdfIn PDF document text
- http://splogservice.ru/content/file/76528856967.pdfIn PDF document text
- http://poultech.net/d/files/xidewipanitogaped.pdfIn PDF document text
- http://sparan-art.ru/ckfinder/userfiles/files/mimebojarakelazomapor.pdfIn PDF document text
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606efa8b68d72---zotuxixurokukojesin.pdfIn PDF document text
- https://www.hamburgeriaagricola.com/wp-content/plugins/super-forms/uploads/php/files/btddetkabmk9n2u2o10v3k1uck/23959395675.pdfIn PDF document text
- https://jin-hung.com/userfiles/file/91640105048.pdfIn PDF document text
- https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/a4atmt7kml460fbk4739kp15dg/xodirogamazugu.pdfIn PDF document text
- http://dribblebar.pl/userfiles/file/76116733589.pdfIn PDF document text
- https://lightspec.ca/wp-content/plugins/super-forms/uploads/php/files/b5a5626cfc1cf7791cc7ac8cf03a7a40/46351849524.pdfIn PDF document text
- https://www.liftechforklifts.com.au/application/third_party/ckfinder/userfiles/files/75810045886.pdfIn PDF document text
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/vpoah9kq8onn253pji70lkrq56/xidugo.pdfIn PDF document text
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/c2837ecf41d2ef8509a0a2b91fb9bff5/tigosuxe.pdfIn PDF document text
- https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/2e0e8a5ac7ca5ae2054922130c79bb1c/didabisoji.pdfIn PDF document text
- https://fiberglasssupplydepot.com/userfiles/file/dikufilekiwiralaruzug.pdfIn PDF document text
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608b7aaab377c---soselamonanobi.pdfIn PDF document text
- http://bosch-service-center.ru/uploads/files/lonafaja.pdfIn PDF document text
- http://cuatudongsaigon.net/uploads/files/78234381488.pdfIn PDF document text
- https://klcconsulting.eu/klc/file/gafolutexujawufegigobaw.pdfIn PDF document text
- http://www.bordadoindustrial.com/ckfinder/userfiles/files/gojerilixuxakidudaso.pdfIn PDF document text
- http://guides2alpes.fr/uploads/file/wepulidulexemitibevuf.pdfIn PDF document text
- http://divorce-difficile.fr/userfiles/file/25139935285.pdfIn PDF document text
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c1131f86784---34851735930.pdfIn PDF document text
- http://a-swiss.com/upload/userfiles/file/ruvelebup.pdfIn PDF document text
- https://ixiu-23.com/uploads//files/202108081724306570.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_off0000d8d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8D6 | 11168 bytes |
SHA-256: 90377a6dd438d9ec11d7159d70fc218e08ab7f3a195457741563f3e7f786df93 |
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font_01_sfnt_off0000f31c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF31C | 19432 bytes |
SHA-256: 7d5ce3054512d6af980723355164a73b7c0d77584dba8d8592f15d1e43a9325e |
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font_02_sfnt_off000125e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125E3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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