MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm hosted on disposable domains, a common tactic for phishing and malware distribution. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic indicates the document likely instructs the user to open a password-protected archive, a method used to bypass gateway security. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9889
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://maasmartcity.com/userfiles/file/9580548830.pdf
- https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/596ad6a327a99afa5e6d6364d6df8076/35298833004.pdf
- https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f3e4993883---poboxixejolaxefog.pdf
- https://www.napariverinn.com/wp-content/plugins/super-forms/uploads/php/files/d57829f3c6bec54cb500a42be1a2d832/60067474019.pdf
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/2du0k4qvqk4lb0dav5rpdj6kc5/naveno.pdf
- http://vattucongtrinh.com/userfiles/file/75013020446.pdf
- https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/83nviaeiak7clt6t1ubshd8s23/66076297057.pdf
- http://lasfyy.com/uploadfile/file/20210605123819041.pdf
- https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/8d164652b70012590defbbe1c249fe04/nojek.pdf
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/16096497aabfc2---kevurobutitese.pdf
- http://msinternationalbeautypageant.com/clients/8/8c/8c0f0497d7166b07b5568c04be8084ca/File/71184778641.pdf
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad6547877ce---tajuxikuxufixudewovazovek.pdf
- http://apvn.info/userfiles/file/38797299648.pdf
- http://usmleworkout.com/files/file/sedusizozipogotafonawagum.pdf
- https://nsck-cykelmotion.dk/ckfinder/userfiles/files/ramawime.pdf
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/9c9df3a8a2108c57c39873210b96aea6/xoxosemapabawinik.pdf
- https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/0nr02khgrsv8s64f9nr9flgbq1/furukonagex.pdf
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/160859ae19650b---mupubixoweb.pdf
- http://szwygs.com/upload/suvewezex.pdf
- http://budoprojekt.eu/obrazy/file/5219558652.pdf
- https://www.rowtheerne.com/wp-content/plugins/super-forms/uploads/php/files/82b1d6f4427d91cd602a6555002fafc5/detufilomav.pdf
- https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/0d548b6f354526a1e6191e2e2be03950/sopabedadedatawiluduza.pdf
- http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/8lehnb3fa1h2c9obbh3cgsu9oq/63219518525.pdf
- http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16075377fea98a---85541505315.pdf
- https://cmetrix.net/ckfinder/userfiles/files/21569993209.pdf
- https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cd68af32a3---xorafij.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=pretty+little+liars+the+perfectionists+stream+english
- 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_off0000f100.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF100 | 16792 bytes |
font_01_sfnt_off00010912.bin71f03f0b36de792187473ad434ac2241499a9014c96aef9d4bce2416b40c150a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10912 | 16944 bytes |
font_02_sfnt_off0001351c.bin266f8390e92ab0cff0b62c00af4126dc0dd2fbff315df6c3add41df49752ff29 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1351C | 11040 bytes |
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