MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous external links, many of which point to compromised WordPress uploads or disposable hosting, suggesting a link farm or phishing lure. The presence of embedded URLs and the nature of the heuristics indicate that the PDF is intended to redirect users to malicious websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://cructi.ru/uplcv?utm_term=gta+5+cheats+pc+online+money PDF link annotation
- https://dreptultau.hotnews.md/upload/userfiles/files/zogobapoj.pdfIn PDF document text
- https://matkinhantai.com/luutru/files/41886227607.pdfIn PDF document text
- https://maconlux.lu/userfiles/files/75868789625.pdfIn PDF document text
- https://markaoyun.com/calisma2/files/uploads/rorafixofutatirozizujebo.pdfIn PDF document text
- http://aprt1day.ru/file/13500507748.pdfIn PDF document text
- http://artwatch.ru/userfiles/file/84623265129.pdfIn PDF document text
- http://entone.es/wp-content/plugins/super-forms/uploads/php/files/3ca606203cdb640f9297b8cfe47c3f20/jidawuxalovatibugugamer.pdfIn PDF document text
- https://yuvasarkar.org/userfiles/file/33637391041.pdfIn PDF document text
- http://adacu.org/userfiles/file/20210926165825.pdfIn PDF document text
- https://regionalhealthprogramsww.com/images/file/28952913705.pdfIn PDF document text
- http://millecolori.it/images/file/jokumedudoxesurevexizi.pdfIn PDF document text
- https://jmbarrenetxea.soinuenea.eus/files/galeria/files/50719246326.pdfIn PDF document text
- https://www.greenlakecruises.com/ckfinder/userfiles/files/rovilowun.pdfIn PDF document text
- https://www.greenlakecruises.com/ckfinder/userfiles/files/vezepafogazo.pdfIn PDF document text
- http://e-sportis.com/images/upload/tagorelamuxegufujur.pdfIn PDF document text
- https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/fkcvdu017m36mj12qher585pok/wodadikewilorebebe.pdfIn PDF document text
- http://th-hl.com///upload/files/62973613512.pdfIn PDF document text
- http://vagtteam.com/userfiles/Files/famowigerugeronuwanure.pdfIn PDF document text
- https://cvssteelex.com/ckfinder/userfiles/files/nadorovosomunozosoxosazi.pdfIn PDF document text
- http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/161403cb761193---2427950112.pdfIn PDF document text
- http://www.ecvbrass.ch/user/web/file/zijoduxija.pdfIn PDF document text
- https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/guaihj9upfafv4isd0qd69g2et/57776407132.pdfIn PDF document text
- http://richmore.kr/uploadfile/fckeditor/file/puwukujuwomijujukibutomup.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_off0000b216.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB216 | 17552 bytes |
SHA-256: a52c8378c23ad08dc38c2efcfb3280297caf8b4ee5acd38074ba979db33b56f3 |
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font_01_sfnt_off0000de9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE9C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f6b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6B3 | 10824 bytes |
SHA-256: 93d7a66939a2e9ba67cd52d784dd22a4645bef2eb7959e26ca1776fcd48998ad |
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