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://huntic.ru/uplcv?utm_term=vidmate+2018+apk PDF link annotation
- http://tragiaocolamsapa.com/userfiles/image/file/rijolenaxubetolanijipufiw.pdfIn PDF document text
- https://daleel.global/wp-content/plugins/super-forms/uploads/php/files/vc937h7uajces5nbmb4v12fb43/petosemimesazonokit.pdfIn PDF document text
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c04bb958201---xorubifepomilojusitofiwe.pdfIn PDF document text
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a2bc9978cdc---rexopol.pdfIn PDF document text
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/dqc0qn3j83m3obbn6emndgou72/70510506085.pdfIn PDF document text
- http://rajskiewakacje.pl/userfiles/file/bupidivilanewubiwamusere.pdfIn PDF document text
- http://www.zywawiara.pl/pliki/88161532714.pdfIn PDF document text
- http://naturallabs.fr/userfiles/file/57616071642.pdfIn PDF document text
- https://fizjolech.pl/userfiles/file/vavagodevalaposev.pdfIn PDF document text
- http://oreade-breche.fr/userfiles/file/duretapif.pdfIn PDF document text
- https://candbco.com/ckfinder/userfiles/files/76439013797.pdfIn PDF document text
- http://tantusmarina.com/UserFiles/file/topakudev.pdfIn PDF document text
- http://izumrud38.com/ckfinder/userfiles/files/vekixamajofonud.pdfIn PDF document text
- https://upchealth.net/wp-content/plugins/super-forms/uploads/php/files/b6d4a549275f9f664a4c41adba45ad5f/80663862204.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/f3d5fe7f88a0b1263df64d440942d79b/fijipamujixajodalapetume.pdfIn PDF document text
- http://permanentnimakeup-brno.cz/userfiles/files/takugajebuvememagoj.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dc1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC1F | 2952 bytes |
SHA-256: 6f6c5a8fb5e62cfd2b6ff76f758e0f05a98695d5bac735cd019a42cb5e5649ba |
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font_01_sfnt_off0000e6ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6AC | 5348 bytes |
SHA-256: 3dc1375378b765c2d3fafc75b9bf0b381ee087f34fa8844eca87f2e0cdf4dfa5 |
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font_02_sfnt_off0000f8d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8D4 | 21760 bytes |
SHA-256: ddfc6e17215bbf603feecc2e41292657e5ff46f7bc1bea6ec48ce415943b692e |
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