MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The 'SE_CLIPBOARD_COMMAND_LURE' heuristic suggests the document instructs users to execute commands, a common tactic for downloading and running further payloads. The presence of numerous links to potentially compromised WordPress upload directories and disposable hosting further supports a malicious phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
Heuristics 7
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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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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 http://seabeachthailand.com/UserFiles/file/28289984488.pdf
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d4d62d1de5---titewo.pdf
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bece9416a71---65291779624.pdf
- https://singaporenotarypublic.com/wp-content/plugins/super-forms/uploads/php/files/82d80ed92e2570f4bd373957e7fcca73/gebiwelurabeselirolajep.pdf
- https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/160729c78a7712---32016187275.pdf
- https://kopari.hu/files/file/gigif.pdf
- http://pincailight.com/zk/UploadFile/file/2021062215474873499.pdf
- https://alutat.com/data/file/tirebumoj.pdf
- http://www.look4job.gr/images/_user_na/file/21542647715.pdf
- https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0a48ac745f---99092474090.pdf
- https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/1608331ba173d6---zaxuvar.pdf
- https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/9c1e8bfe11fbbb2d8a217e75ba54675a/ragomafuxuxibujumusix.pdf
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607e5787b3297---85122276024.pdf
- http://re-view.online/fckFiles/file/xekiseledunoludoto.pdf
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608931b48fc12---61641798222.pdf
- http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16086daf0128a7---kibarove.pdf
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/lv8d51oprne7u4p6jku1dstq23/guxufilove.pdf
- http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ca55418feb5---bewezivabaropiwulo.pdf
- https://brs.jo/userfiles/files/39032846584.pdf
- https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/7c9go7ncrpu2o4tkth4m8o61hc/29461925861.pdf
- https://brod-plovdiv.com/images/46465469392.pdf
- https://best-label.com/upload/files/50688079762.pdf
- https://www.sacda.org/wp-content/plugins/super-forms/uploads/php/files/ci6rrc5u5ueb8p9h83loov6135/jijafupanifevotevilot.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=digital+image+processing+research+papers+pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f1ea.bin1917600752c2c1dac35f3280b615909e2fc8292b3dffdd250f0cda5c180cfbe4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1EA | 16628 bytes |
font_01_sfnt_off00011d2c.bin00a1c9f7dfb5dfd533a93aa99e3136f87552fba6e8744a52fc94f68af3670b73 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D2C | 11068 bytes |
font_02_sfnt_off00013682.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13682 | 16792 bytes |
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