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 0.9998
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=hodgdon+reloading+guide PDF link annotation
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074b4232311e---jowapezugorezad.pdfIn PDF document text
- https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082721803554---gevakuzukoniwuka.pdfIn PDF document text
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098659b00f8f---20273955637.pdfIn PDF document text
- https://aedwea.com/upload/foto/kidefopotagivezeretewesi.pdfIn PDF document text
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/160714746c0b8d---jilevif.pdfIn PDF document text
- https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/t834363e25if6gnqr7fcjsh2tr/78537203402.pdfIn PDF document text
- https://www.ergunaygoren.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083db77a4507---monofajozej.pdfIn PDF document text
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c016ae80b73---meminug.pdfIn PDF document text
- https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/d40d8dd6a1ae53e69fd7d8e280b0d804/77356634699.pdfIn PDF document text
- http://osheamaloneynylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gizorikudigawos.pdfIn PDF document text
- http://smn68.com/clients/75339/File/zawefakusot.pdfIn PDF document text
- http://vizesblokk.hu/files/file/96038408549.pdfIn PDF document text
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1afd8bced---62159059358.pdfIn PDF document text
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4df5b2a517---79802858092.pdfIn PDF document text
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081787cdf30b---wolefokexabarufazera.pdfIn PDF document text
- http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/8vvvldgtutbm9eagft0c5k1dj7/xomalonamowikag.pdfIn PDF document text
- http://robertoantoniz.com/resources/original/file/pifeniviboxelerif.pdfIn PDF document text
- https://toptenstudy.com/upload/files/BodyFile__60B84B68E152C.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_off0000d906.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD906 | 4776 bytes |
SHA-256: e9cfe10d5b1d5379b5ba97f33c6da7758f019cd2387160deae3dee31a27c831d |
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font_01_sfnt_off0000e94d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE94D | 11156 bytes |
SHA-256: f1bec3c9e1848178667c81f9cc343f9024df29eb986e684683ab6861d2301ed6 |
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