MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised WordPress sites and other domains, suggesting a link farm or phishing lure. The presence of PDF-specific heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' reinforces the attack pattern of directing users to potentially malicious external content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
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://netshopnepal.com/userfiles/file/41089633126.pdf In PDF document text
- https://hssanesteban.cl/files/14450440849.pdfIn PDF document text
- https://reflexlighting.com/wp-content/plugins/super-forms/uploads/php/files/1f27594f7104bcdcec1b9adc492c42e5/rapegigoj.pdfIn PDF document text
- https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a0cdc732eda---nixozobamitexop.pdfIn PDF document text
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608de95654e7c---36173247930.pdfIn PDF document text
- https://castilloexterior.net/ckfinder/userfiles/files/82465618625.pdfIn PDF document text
- http://bomtvplus.com/data/board/file/20210529194958.pdfIn PDF document text
- http://111-orte.de/testarea/cwsCMSlight/media/files/59095496060.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160813e5463c7f---26408532406.pdfIn PDF document text
- https://greenturtleproductions.com.au/wp-content/plugins/super-forms/uploads/php/files/feb5f3226f574d038d81bd795144ed1a/tejozaxivurogimedipalomo.pdfIn PDF document text
- https://schmitz.cz/res/file/86291736522.pdfIn PDF document text
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1f6036be5---zebisoge.pdfIn PDF document text
- http://anhuizpyy.com/upload_fck/file/2021-5-14/20210514032417596242.pdfIn PDF document text
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608d3a9e9edf1---11636953048.pdfIn PDF document text
- http://stonestudio.pl/files/upload/file/72608505108.pdfIn PDF document text
- http://arcomproltd.com/userfiles/file/dutizoxedawuruxisenut.pdfIn PDF document text
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/a3c57a1e4450ff6c666710d003946c98/86954379746.pdfIn PDF document text
- https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/2918307ca7052e2fa4f874997a346c2a/23331982665.pdfIn PDF document text
- http://maility.pl_adresuserfiles/file/jesozuvulazogakoso.pdfIn PDF document text
- http://chongros.com/userData/board/file/21139100681.pdfIn PDF document text
- http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1b64e501b8---80577010433.pdfIn PDF document text
- http://www.rkcomdesignservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608967817d764---34428043949.pdfIn PDF document text
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085caf491b08---6987101037.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/f166e599420537c42283e5a6e28119b4/numegiwelakeno.pdfIn PDF document text
- https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/2658651c2e799f94909840d6509daf75/68863791727.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=change+your+driver%27s+license+address+onlinePDF 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_off0000cc8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC8F | 15636 bytes |
SHA-256: fd04e1c94547fa43b9f6ac38ccd1d27cdda2bf94f4f672d71061d96d07e77182 |
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font_01_sfnt_off0000f4e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4E7 | 10896 bytes |
SHA-256: 119cea96b3f02b6482d124da0e03991aa98b2bcabced10f9a4c7e42f430c21bf |
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font_02_sfnt_off00010dec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DEC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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