MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. The file contains numerous embedded URLs, many pointing to compromised CMS upload directories or disposable hosting, suggesting it functions as a link farm to distribute further malicious content or phish for information. The presence of these links and the overall structure align with a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://smidgel.ru/uplcv?utm_term=emanuele+coccia+the+life+of+plants+pdf PDF link annotation
- https://hogies.com/includes/template/uploads/file/95884523660.pdfIn PDF document text
- http://asianmosaicnyc.com/userfiles/file/jotenixer.pdfIn PDF document text
- http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/523be9a6e01b6f7cbbf01bbb6b3d3b9d/zokebetu.pdfIn PDF document text
- http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a973a69b049---92838838628.pdfIn PDF document text
- http://phillipwhiting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bf1243a14a---rubifagoxilunuzutibodud.pdfIn PDF document text
- https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/oiphc4obsmu03he9nt1vp2r6a3/3892358378.pdfIn PDF document text
- http://dancedynamicsla.com/clients/38740/File/rojopuwasixebadimasabat.pdfIn PDF document text
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/8a03e0957f2123d877ad6f5833dac1f0/fipoviwapok.pdfIn PDF document text
- https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/3a35c1ad7ee9cdae33608f29983eacd0/21346181100.pdfIn PDF document text
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abba5909c29---watubegusemufelune.pdfIn PDF document text
- http://kulturazebrak.cz/userfiles/26072217079.pdfIn PDF document text
- http://qkmedica.com/uploads/userfiles/file/7956640616.pdfIn PDF document text
- https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160842c9e0973e---guxoxaloga.pdfIn PDF document text
- http://arci-mp.fr/admin/File/guxagowezafugofixela.pdfIn PDF document text
- http://buddhavehicle.com/userfiles/file/27801746732.pdfIn PDF document text
- http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609820f20ef01---momofisawa.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e549.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE549 | 5256 bytes |
SHA-256: 660416d0c58745806192637e0b95ff894c19bb79f1043b26bbb5e242deb89bb0 |
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font_01_sfnt_off0000f707.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF707 | 10996 bytes |
SHA-256: 9859be5e7cfa2fa7e939b7046d5caea01ab0c59e2d124cff219157efbc1f5edf |
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