MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=chaalbaaz+bengali+movie+download+720p PDF link annotation
- https://thesaddlebank.com/wp-content/plugins/super-forms/uploads/php/files/qte2o613me4hrsoeqi8g2v0scc/dilijinet.pdfIn PDF document text
- http://szao-spb.ru/images/news/file/pedakapebuzosotez.pdfIn PDF document text
- http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/35e62f32b4fdd898077f9e3d4a166b24/59317198480.pdfIn PDF document text
- https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/88ec247d1ca229b610784463bbba00e7/lajekegavomokakisanekixu.pdfIn PDF document text
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/83874c5389effcca830ff2820f45c1d9/lutizubig.pdfIn PDF document text
- https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/e93a64913687a1f4a47f1768779d1c02/papix.pdfIn PDF document text
- https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/iaci1v04ht1vcf2rjqpkuv8j4a/45983072802.pdfIn PDF document text
- https://tenfci.org/userfiles/file/76031256842.pdfIn PDF document text
- https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/87nfhper92bqmqnl2ltcap4g5j/zedabazavuwiwexuputodofem.pdfIn PDF document text
- http://sistersaviopublicschool.com/userfiles/file/kapudifupilireruzukewoxiv.pdfIn PDF document text
- http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/16073daf7ec903---88969143884.pdfIn PDF document text
- https://cavalier-hundezucht.ch/userfiles/file/68329132455.pdfIn PDF document text
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608e9e954fed5---bodamuwateduxoki.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/cvhv8q68sf5ps4t4e7snue55h1/51583437352.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_off0000de35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE35 | 5700 bytes |
SHA-256: d11da6cc7b939674ee043b2003d78f85efccee31979fc7e8ebfc48ea8249db88 |
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font_01_sfnt_off0000f190.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF190 | 10492 bytes |
SHA-256: 94ba1d278f2e33ccebc3c22179ed196cd859d92690b81e2537bf9509781b6b26 |
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