MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was flagged by a machine learning classifier and ClamAV as malicious, with ClamAV specifically identifying it as Pdf.Phishing.Trojan. The presence of numerous external links, including a link farm on disposable hosting, and a heuristic for a 'download button' lure strongly suggests a phishing or malware distribution campaign. While no scripts were explicitly extracted, the PDF format itself can embed JavaScript for malicious actions.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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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://garglob.ru/uplcv?utm_term=r3+pubg+patcher PDF link annotation
- http://nguyenthaotech.com/upload/files/3562355207.pdfIn PDF document text
- http://salkim.com/userfiles/file/natojuxukefunababojibot.pdfIn PDF document text
- http://clerus.hu/files/file/manususokewawozu.pdfIn PDF document text
- http://edilgroupdigiovanni.it/userfiles/files/teviw.pdfIn PDF document text
- https://oriental-kitchens.com/userfiles/files/fupabataxotudaz.pdfIn PDF document text
- http://palestraarkadia.it/userfiles/files/50704642350.pdfIn PDF document text
- https://honkakuji.jp/honkakuji/images/ckfinder/files/nejexefowanuzudotul.pdfIn PDF document text
- http://www.anjhimayath.com/upload/file/fibisugodomarabakifilomu.pdfIn PDF document text
- http://charolais-hessen.de/write/userfiles/file/gapuwinav.pdfIn PDF document text
- http://modnyi-buket.ru/uploads/files/zilelomibuzapi.pdfIn PDF document text
- http://nokianhakkablue.ru/ckfinder/userfiles/files/90036371254.pdfIn PDF document text
- http://happy-land.hu/editor_up/62060422886.pdfIn PDF document text
- http://gemaeldeundobjekte.de/uploads/files/47755605860.pdfIn PDF document text
- http://directartdeal.com/uploaded_files/userfiles/files/rogobajawudexetinofifijop.pdfIn PDF document text
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c6b433d020---67377579072.pdfIn PDF document text
- https://8foro.exceltur.org/exceltur_nuevo/ckfinder/userfiles/files/fubanipidodevojapogopa.pdfIn PDF document text
- https://icon-studios.com/userfiles/file/gusifesurawidepigesusasun.pdfIn PDF document text
- http://cherriestattoo.com/ckfinder/userfiles/files/felatekedoxisowajele.pdfIn PDF document text
- http://fermobkorea.com/userfiles/file/20210902101112.pdfIn PDF document text
- https://alubiasdetolosa.com/files/galeria/files/14816776398.pdfIn PDF document text
- http://antitumor.org/filespath/files/20210912025519.pdfIn PDF document text
- http://koovappadyscb.com/ckfinder/userfiles/files/3751047151.pdfIn PDF document text
- http://el-master.ru/userfiles/file/7063406687.pdfIn PDF document text
- https://duongthuy.net/userfiles/file/sujefesijupawanefiru.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_off0000dbb6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBB6 | 17396 bytes |
SHA-256: affb904d31fdf800d0109b9d2993b5cb0d584dd65c55883f509134e6590ba406 |
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font_01_sfnt_off00010955.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10955 | 10580 bytes |
SHA-256: 8b045df1e17b9b9e56df0233ccdc8ebe6a98e0f389a89e0be137946839b574d9 |
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font_02_sfnt_off0001216e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1216E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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