MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URIs and is identified as a link farm on disposable hosting, suggesting a phishing or malware distribution scheme. The presence of embedded URLs and the heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly indicate that the PDF's primary purpose is to redirect users to malicious external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
Heuristics 6
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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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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://allytemp.ru/uplcv?utm_term=lyrics+to+red+letters PDF link annotation
- http://tiquital.com/documentos/file/senixetig.pdfIn PDF document text
- http://erago.cidees.com/uploads/files/wokefasopodobavedibajipi.pdfIn PDF document text
- https://parlagame.com/calisma2/files/uploads/guwinowoju.pdfIn PDF document text
- https://castel.ro/userfiles/file/boxipoxewelawesuba.pdfIn PDF document text
- https://cedd.saglik-network.org/uploads/file/fipopizuvifapup.pdfIn PDF document text
- http://www.lebedosapartotel.com/data/yukle/files/82292247058.pdfIn PDF document text
- http://aalzkj.love-mrt.com/upload/files/jususenemuvunirebede.pdfIn PDF document text
- http://djk-winkel.de/images/uploads/file/70270386445.pdfIn PDF document text
- http://anshan56.cn/userfiles/file/16318676641345697480.pdfIn PDF document text
- https://nnkcreations.com/userfiles/file/wajapuwujurazivinu.pdfIn PDF document text
- http://cnex.cc/images/blog/file/pobejipekobiwi.pdfIn PDF document text
- https://1tlstar.com/storage/uploads/files/duripizifabibimepebunu.pdfIn PDF document text
- https://tenderdiary.com/ckfinder/userfiles/files/52726147036.pdfIn PDF document text
- http://chithanhplastics.com/uploads/userfiles/file/28076374831.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16164ccfdf1ef3---61299813598.pdfIn PDF document text
- http://cdjuchuan.com/upload/files/mibonekekebivodorame.pdfIn PDF document text
- http://artstudiodesign.it/userfiles/files/1943586177.pdfIn PDF document text
- http://tg-focus.ru/userfiles/files/buzumiwijij.pdfIn PDF document text
- http://deeringbayrealestate.com/userfiles/files/82303407522.pdfIn PDF document text
- https://nsck-cykelmotion.dk/userfiles/file/kuzekonefavetuba.pdfIn PDF document text
- https://eurosan.pl/user_images/file/ludisesu.pdfIn PDF document text
- http://phantasos.org/userfiles/file/gituruxifon.pdfIn PDF document text
- https://greenvalleykerala.com/ckfinder/userfiles/files/52065815548.pdfIn PDF document text
- https://littleedupark.com/ckfinder/userfiles/files/26202304851.pdfIn PDF document text
- https://quanghuydulich.vn/img_duhoc/files/56559408199.pdfIn PDF document text
- http://hichipper.com/hichipper/uploadfile/file/2021090201484273499.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_off0000d19f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD19F | 17204 bytes |
SHA-256: 7646820437975f957b156d800e6b91eedbf46da7dc7267d9eb910aa0629ca9a8 |
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font_01_sfnt_off0000fee2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEE2 | 10168 bytes |
SHA-256: 66aecff9b638cbcf4966561d6b290eeaec3642de0ddeaff7e771e894823ce20c |
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font_02_sfnt_off000115c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115C6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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