MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by a machine learning classifier and ClamAV, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple potentially compromised or disposable hosting sites, including one on kaufdeinauto.de. The presence of numerous external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic strongly suggest a phishing or malicious redirection scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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 http://belloverde.net/emailer/file/wozulupu.pdf In PDF document text
- https://partnermind.cz/images/files/veborivonakusavagi.pdfIn PDF document text
- http://oryginalnedekoracje.pl/userfiles/file/52280157700.pdfIn PDF document text
- http://www.texaco.bargiel.com.pl/ckfinder/userfiles/files/janagu.pdfIn PDF document text
- http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613fc697b6d0d---25773989627.pdfIn PDF document text
- http://erbamedica.org/userfiles/files/gikotokazejevo.pdfIn PDF document text
- https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/r2i7jleol79dqi5qimgb50a2l2/dazozax.pdfIn PDF document text
- https://jooli.ru/ckfinder/userfiles/files/11416305758.pdfIn PDF document text
- http://jlicentral.com/images/authors/file/xinapujadidenakewi.pdfIn PDF document text
- http://motopujcovnateplice.cz/userfiles/file/40226512187.pdfIn PDF document text
- http://cyuansheng.com/userfiles/file/47233494985.pdfIn PDF document text
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/6b9136134aac926fce05715d26a924d5/savoxepovakelajunaguju.pdfIn PDF document text
- http://cuatro-pr.org/sites/default/files/file/93929382399.pdfIn PDF document text
- http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16142a61b92cbd---kufusejewab.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/161321312295c0---87339965310.pdfIn PDF document text
- https://alperbehang.nl/userfiles/file/kixirutovitinotuva.pdfIn PDF document text
- https://g55net.com/webpagebuilder/ckfinder/userfiles/files/mewuz.pdfIn PDF document text
- http://sh-songshi.com/admin/upimg/file///99897845323.pdfIn PDF document text
- http://danies.ru/ckfinder/userfiles/files/sovamufudi.pdfIn PDF document text
- http://silverspringabw.com/uploads/files/35986540056.pdfIn PDF document text
- http://twilaw.com/files/files/revejasibodis.pdfIn PDF document text
- http://thankschicken.com/uploads/files/lazepagejawigivija.pdfIn PDF document text
- http://alibabashipping.com/userfiles/file/70349029657.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=how+to+open+word+doc+on+androidPDF 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_off0000b3e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3E8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cbff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBFF | 10372 bytes |
SHA-256: 08f2dfb448a678590cdf94572565686908ee1d9fd87569c31884910aee6d1443 |
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font_02_sfnt_off0000e38a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE38A | 14380 bytes |
SHA-256: e57b9595e899968168feb4bf4e14fc9a91c60b8abda63744a75411e30c4b6028 |
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