MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to external PDF files, many hosted on domains associated with compromised CMS uploads or disposable hosting, indicating a link farm. ClamAV and an ML classifier flagged this file as malicious, specifically as a phishing trojan. The embedded links likely serve to distribute further malicious content or manipulate search engine results.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://palezieux.com/ckfinder/userfiles/files/tigokenikagipisazomu.pdf
- http://www.pattyn360.com/upload/forum/files/78463350408.pdf
- http://colorfusion.us/admin/images/file/75899156369.pdf
- http://popeyebio.com/upload/files/66941427406.pdf
- http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fbdaa4e94d---nalobovaxakup.pdf
- https://capitolmodels.tuzonanet.net/userfiles/file/33684534336.pdf
- http://xn--939a66v0zjo3bcvdmrp.com/data/ckfinder/files/55752049994.pdf
- https://ukmalayalamnews.com/userfiles/file/71772346315.pdf
- https://malashealthcare.com/userfiles/files/wigonutiw.pdf
- https://aynadakikemalizm.com/resimler/files/2927263036.pdf
- http://grupopiscis.com/upload/files/71443919639.pdf
- https://albawadiroad.com/userfiles/files/57663530012.pdf
- https://chingchia.com/uploads/files/202109011916115209.pdf
- http://atel-j.nl/uploads/files/10399706967.pdf
- https://tiemhoamo.com/data/dulieu/files/39021888892.pdf
- https://fontan-montag.ru/img/upload/jusomidulalebakomadaju.pdf
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/161440989b0a1d---xodena.pdf
- https://futurefacesmiami.com/uploads/file/84122832296.pdf
- http://tiramisu-o.com/yamituki-n/uploads/files/91124354218.pdf
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16148b9eb1c981---zadedujixoxafujimubavadu.pdf
- http://thaide.org/userfiles/file/89595442556.pdf
- https://rotterdampools.com/contents/files/gitunagosiwora.pdf
- http://esebtekstil.com/resimler/files/mebezowigozonowe.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=kiss+the+rain+piano+sheet+pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eccf.bin642243afda470c27db3ecfabaabcfdc07557322db1fca11716f57a3269202ff3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECCF | 19752 bytes |
font_01_sfnt_off00012122.bind4732124d6b1c91967eee8309e0c05a15e5df5a0b06df532a9e67d3f6359ea33 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12122 | 10540 bytes |
font_02_sfnt_off00013916.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13916 | 16792 bytes |
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