MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1059 Command and Scripting Interpreter
T1566.001 Spearphishing Attachment
The sample is a PDF document that exhibits characteristics of a phishing lure, as indicated by the 'SE_CLIPBOARD_COMMAND_LURE' heuristic. The document likely instructs the user to copy and paste content into a command-line interface, a common technique to download and execute a secondary payload. Multiple URLs pointing to potentially compromised websites were extracted, suggesting a distribution mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9886
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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Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LUREDocument tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
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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://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/2d4f3115fa617c6b5a0a4be2624726a1/dunukanidetipobuwokegute.pdf In PDF document text
- http://knuhpharm.kr/userfiles/file/20210616141248.pdfIn PDF document text
- http://cesnek-vysocina.cz/UserFiles/File/xidedogelalif.pdfIn PDF document text
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3763d717d1---beligijofivaf.pdfIn PDF document text
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607ee60911732---67732078983.pdfIn PDF document text
- http://biolabsrl.org/userfiles/files/sogajaxenisuzademaxekat.pdfIn PDF document text
- http://daiichilogistics.com/uploads/news_file/81030524655.pdfIn PDF document text
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/k8bi007mmgpuhg2b8m70c09br2/92603231027.pdfIn PDF document text
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/1b3pp6t0qvhd7o5dkbufpub4aj/zofafutawipune.pdfIn PDF document text
- http://curry-box-deluxe.de/userfiles/file/dofimaremirenajurorofopul.pdfIn PDF document text
- http://blbr365.com/userfiles/file/1624358641.pdfIn PDF document text
- http://brianhaymore.com/images/e/file/vukobimoxamomugu.pdfIn PDF document text
- http://nacyc.jp/Upload/file/lenapekikowuxife.pdfIn PDF document text
- http://laureysnv.be/uploads/files/lepoz.pdfIn PDF document text
- https://aucordechasse.fr/vosImages/15262724565.pdfIn PDF document text
- http://redondoclassicburger.com/uploads/files/tejezizobikusudixe.pdfIn PDF document text
- http://masonfamilyreunion.org/clients/b/bd/bdaf0a3c19eb5f10f0519c747c117e37/File/wepiselajotewugiveteruwak.pdfIn PDF document text
- https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/21265e5c4277e6a1d070a9c5a5229ad0/vuvivisiwi.pdfIn PDF document text
- http://www.bluefashion.cz/ckfinder/userfiles/files/jikipilatadagidiw.pdfIn PDF document text
- https://burgaseguros.com/userfiles/file/minamabekoziwoxuwogo.pdfIn PDF document text
- http://xn----8sbaqfskngn1qi.xn--p1ai/userfiles/file/girowakesunafawejujot.pdfIn PDF document text
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cfd8939375---tetajenididotavuju.pdfIn PDF document text
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b85f7f6eb47---12511865425.pdfIn PDF document text
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8682e29954---tenogepulireli.pdfIn PDF document text
- http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/16078141f85e31---fabasu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=linux+reference+book+pdfPDF link annotation
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_009_off000171b2.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x171B2 | 18988 bytes |
SHA-256: e8524a416391f88198430fbfaf4d419028aef4cd23ca127f2b5ace70e1ed1fd5 |
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font_00_sfnt_off000110c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110C9 | 10532 bytes |
SHA-256: 34d25ec4b2884cd0be0f1fbc055f9c1930fe0ff4c02c8546c94d7199825ee7d8 |
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font_01_sfnt_off0001289d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1289D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000140af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x140AF | 18800 bytes |
SHA-256: db38cdc4fff462c01d80b393f83fc57caabb5599eea06fe043490b5dc2a4669a |
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