MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ClamAV as a phishing trojan and a machine learning classifier indicated a high probability of maliciousness. The document contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, suggesting it functions as a link farm. These links likely lead to phishing sites or further malware downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://pistant.ru/uplcv?utm_term=voice+changer+to+female+apk PDF link annotation
- http://likebarcode.com/image/files/20210913_220940.pdfIn PDF document text
- http://zatacorp.com/upload/files/20386368659.pdfIn PDF document text
- https://mywayrtk.com/userfiles/file/41914177901.pdfIn PDF document text
- http://xn----8sbfhu6ab4bqv.xn--p1ai/userfiles/file/28977863347.pdfIn PDF document text
- https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/7d328113053cac7a7bf6e7c497e9b687/77305066567.pdfIn PDF document text
- https://dutchfansitenetwork.nl/ckfinder/userfiles/files/68536353466.pdfIn PDF document text
- https://fotokeramika.bg/userfiles/file/20126358136.pdfIn PDF document text
- http://unixsensor.com/uploads/files/202109282353272774.pdfIn PDF document text
- http://agriturismolescuderie.eu/userfiles/files/votixolo.pdfIn PDF document text
- http://bancasemecanino.com/userfiles/files/58973343459.pdfIn PDF document text
- https://veaodaibrahma.com/uploads/image/files/40401762422.pdfIn PDF document text
- https://quangcaowebsite.xemlaco.com/uploads/files/35078003320.pdfIn PDF document text
- https://ryokanclub.com/FileData/ckfinder/files/20210919_08E8D26A3E98E40A.pdfIn PDF document text
- http://xn--k1akb4c.xn--p1ai/userfiles/file/buzigo.pdfIn PDF document text
- https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16136629112cf6---bepipodizeginesaz.pdfIn PDF document text
- https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/16151b8189609a---34413590033.pdfIn PDF document text
- http://tianlanip.com/filespath/files/20210906231759.pdfIn PDF document text
- http://hevolta.com/upload/file/falafux.pdfIn PDF document text
- http://iktoktatas.hu/files/file/sijikelatapenuzogulukof.pdfIn PDF document text
- http://codienlanhtrangia.com/Images_upload/files/31022356356.pdfIn PDF document text
- https://bk.knu.ac.kr/ckfinder/userfiles/files/duzanikanogo.pdfIn PDF document text
- http://topstec.com/d/files/14524500241.pdfIn 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://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_off0000afcb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFCB | 10820 bytes |
SHA-256: 2619b1154574572080b36ce8766ecb12433e0fdc810b9cf8a9a458248782b380 |
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font_01_sfnt_off0000c89b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC89B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e0ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0AD | 17192 bytes |
SHA-256: 732b7f18fcb01856acf14d5cc6e189ed4cea8cc32b34e8b0d132bf01375de51e |
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