MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF employs a common image-only lure, typical of phishing campaigns, to entice users to click on embedded links. The heuristic 'PDF_IMAGE_LURE' indicates a screenshot-like appearance designed to hide clickable elements. The presence of numerous external URIs, many hosted on disposable domains, further supports a malicious intent, likely for credential harvesting or malware delivery. ClamAV detection and ML classification confirm the malicious nature of the file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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://inwebjor.ru/uplcv?utm_term=in+objective+c PDF link annotation
- http://netinflux.net/userfiles/file/togeguvi.pdfIn PDF document text
- http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613390c8048ec---92199785884.pdfIn PDF document text
- http://jobsmarttampabay.com/files/public/keguxixavifulosex.pdfIn PDF document text
- https://classoft.ro/userfiles/file/noniguf.pdfIn PDF document text
- http://leylasuren.com/images/userfiles/imagefile/gikulajatojelogovulixuve.pdfIn PDF document text
- http://tasfor.com/files/galeria/files/43919022080.pdfIn PDF document text
- http://briquettemachinery.com/d/files/85762790513.pdfIn PDF document text
- http://www.fashiongale.ro/userfiles/files/27945340414.pdfIn PDF document text
- http://www.abcklima.hu/data/editorfile/pomataniboduz.pdfIn PDF document text
- http://offerparts.com/upload/files/44063170772.pdfIn PDF document text
- http://architetturaurbanistica.it/userfiles/files/21221245815.pdfIn PDF document text
- http://ddservice-bmw.pl/userfiles/file/75381620053.pdfIn PDF document text
- https://plasterglasgow.com/fwd_docs/file/bavivexi.pdfIn PDF document text
- http://maytinhnangdong.com/files/uploads/editor/files/74983167050.pdfIn PDF document text
- https://truongthanhco.vn/webroot/img/files/44649582745.pdfIn PDF document text
- http://turatabor.hu/media/47354502530.pdfIn PDF document text
- https://digicpictures.com/downloads/95481845087.pdfIn PDF document text
- http://cancercareresearch.com/userfiles/file/lanimugidubulozabumut.pdfIn PDF document text
- http://avandcie-automation.com/ckfinder/userfiles/files/nedute.pdfIn PDF document text
- http://thecargonepal.com/userfiles/file/63288331115.pdfIn PDF document text
- https://himalayanthailand.com/image/upload/File/sirulosubize.pdfIn PDF document text
- http://www.gobarging.com/uploads/textareas/file/76304598947.pdfIn PDF document text
- http://novo-foto.ru/ckfinder/userfiles/files/zozuguzavapixuferoxonedad.pdfIn PDF document text
- http://agmapure.com/upload/files/29363166992.pdfIn PDF document text
- http://esenkardeslerinsaat.com/resimlerfiles/vaniwodep.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_off0000b277.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB277 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ca89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA89 | 14012 bytes |
SHA-256: 37ec96bd1704b4fe14acbf0d1e5299b55cb11fde45d67daca66035abe3c62d08 |
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font_02_sfnt_off0000ed0c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED0C | 10036 bytes |
SHA-256: ff3f18112eacfa8274d6cfef6fab9d29db2fd2b51c379c363907243317d2784e |
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