MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a malicious PDF identified by ML classifiers and ClamAV. It contains numerous embedded links, many pointing to compromised CMS upload directories, suggesting a link farm designed to redirect users. The PDF_REPEATED_PAYLOAD_LINK_LURE heuristic indicates these links are likely intended to deliver a payload, possibly through phishing or by exploiting vulnerabilities in the linked sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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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Invisible/repeated PDF links deliver payload file critical PDF_REPEATED_PAYLOAD_LINK_LUREPDF uses invisible link annotations and points to a direct payload download. Repeated invisible links or lure-like payload names such as document/unlock/verify archives match malware-delivery PDF carriers where the page is only a prompt and the real payload is fetched from the linked URL.
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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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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://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dcf2a4ec31---pinukojur.pdf In PDF document text
- https://kp-bs.ru/upload/files/97930698678.pdfIn PDF document text
- https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/145ce02ee7c2a419b28eaf53771c751f/70236121606.pdfIn PDF document text
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160876a4beb5f5---33961984423.pdfIn PDF document text
- https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/be263a80e4f7a10ec6ad2db70e38852b/buxab.pdfIn PDF document text
- http://nowyhotelik.pl/userfiles/file/56155065554.pdfIn PDF document text
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160706f41a16d8---52053261080.pdfIn PDF document text
- https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/mnhbgqs196p3c6jhkmlhiin9oh/wadegebonipoxobibapim.pdfIn PDF document text
- https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a828b8c785---puzegujuwexixudirerof.pdfIn PDF document text
- http://wangyiphk.com/userfiles/5198018180.pdfIn PDF document text
- https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160825216f1ba0---87261893290.pdfIn PDF document text
- https://chaplains-camps.org/upload_picture/file/buseni.pdfIn PDF document text
- http://m2m2design.com/userfiles/83492269921.pdfIn PDF document text
- http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac10bcacae9---zobesenukinavoxalafal.pdfIn PDF document text
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a5797f261e9---kezubafagurax.pdfIn PDF document text
- http://hebertfamilyreunion.com/clients/3/32/3272330ca4c68e8b1120eb7f178c7a05/File/zubexotepovojef.pdfIn PDF document text
- http://centralwestwoodclassof1983.com/clients/c/cd/cd4b3c89dd1500142a52f05b9125c350/File/ziluzalexagekobufabukiko.pdfIn PDF document text
- https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/94b612817b24c992927a27ab864eed18/ziwuzunurafonu.pdfIn PDF document text
- http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609314decc4ad---wujepugevovuloladowab.pdfIn PDF document text
- http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b2bab37ee6d---91824705360.pdfIn PDF document text
- http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/351860da351c809040c6ce37600fae8e/77047720454.pdfIn PDF document text
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606d372914962---ranisanavigev.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=son+chiraiya+bidai+song+mp3+download+pagalworld.comIn 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_off0000ccb0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCB0 | 11384 bytes |
SHA-256: 858fc34c3eb6c6c2c1a47053aa03bccdea84792ea620b1891d2d45d166b87bc9 |
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font_01_sfnt_off0000e6ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6EC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fefe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEFE | 16496 bytes |
SHA-256: ca0a552438d472ba795a5e1d34f9148342e07a2a2529a7f369e290e9b1c77f6b |
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