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://philabc.ru/uplcv?utm_term=gta+5+apk+download+for+android+100+working PDF link annotation
- https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/5n6gjre7i2eg6mgi5h5qmoim31/busopupa.pdfIn PDF document text
- http://t-p-fortune.com/userfiles/file/xexifunade.pdfIn PDF document text
- http://ankurgroups.com/userfiles/file/28603152906.pdfIn PDF document text
- https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/160a175df71ad6---75489721110.pdfIn PDF document text
- https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/75e2f7132437a2fb2ceb9deba5172481/92408585805.pdfIn PDF document text
- http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16084ad6c5c139---32929922297.pdfIn PDF document text
- http://app8itebarandgrill.com/admin/images/file/29738510044.pdfIn PDF document text
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607242fb14343---3165728500.pdfIn PDF document text
- https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1c59ddccc2---maxaragimodudosezuzot.pdfIn PDF document text
- http://stylist.in.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1607b3211027eb---nibovatojuxaxumajadin.pdfIn PDF document text
- http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/a803c85c9efb34fbb469e5e281bc91c7/25846778707.pdfIn PDF document text
- https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2786e20ed---dojoleremuxa.pdfIn PDF document text
- http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160aa77bd90c3b---tajewogoxaketaku.pdfIn PDF document text
- https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/cb2ea84642c3a4d0fc5f88dbde54159c/lanonenobew.pdfIn PDF document text
- https://www.drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c0eb0f33cd1---webotafusovawiso.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_off0000fe6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE6E | 5536 bytes |
SHA-256: 9497a7b9a352a2b65081f4dee6d4f056f29bddd561219b764631d19d7821fe72 |
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font_01_sfnt_off0001117b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1117B | 11352 bytes |
SHA-256: 7b6aa02510751b22d67e9282651bbc58e1e446ec181a792a45b628072b20072a |
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