MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains a link farm pointing to compromised CMS upload storage, suggesting an attempt to distribute malicious content or phish users. The presence of external URIs and the nature of the heuristics indicate a likely spearphishing attachment used to redirect victims to malicious 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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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://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afcd6da7ccb---18371260201.pdf
- https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/bbf6be187f5e3c160404a93b8c3722b6/29567848078.pdf
- https://balaji-technology.com/userfiles/file/54482966236.pdf
- http://reinforcingourheritage.com/clients/0/08/0860c2a235168fe7e4a745c824023bdd/File/42264924079.pdf
- http://andlupa.com/userfiles/file/rakes.pdf
- http://dream-mebel.com/pic/file/71751543705.pdf
- http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/5a3f8ee89e932ea7c6b5fa24fe33636a/fagetazolasid.pdf
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/55af0818acfb708c49868f34f62bf587/63347814490.pdf
- http://tavernadelsnoguers.com/wp-content/plugins/super-forms/uploads/php/files/cc5758757408c0544299d27f5d52bf5b/66766691185.pdf
- http://jorkurojus.com/userfiles/file/17464293334.pdf
- http://pphu-joanna.pl/fckpliki/file/34021079099.pdf
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160bbe56330c26---zovonusilodelifomofumokug.pdf
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160944a0923bae---munabenozoxaripegewew.pdf
- https://ethiquedevelopers.com/wp-content/plugins/super-forms/uploads/php/files/c44402c622dcfc3db40a5b22d55a7d34/rukavaxixogoxosarabe.pdf
- https://srp-galabau-rostock.de/wp-content/plugins/super-forms/uploads/php/files/33rvmck0t61glfg7abah1g51io/xoxeledobugigozu.pdf
- http://stellamaris.cz/userfiles/dazoguxoxinunibu.pdf
- https://hophamthaibinh.com/upload/files/51578249500.pdf
- https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/699d528995a7e89872ef0d29cad03810/46707709431.pdf
- https://maxim-catering.de/wp-content/plugins/super-forms/uploads/php/files/iegq914ekr4j51an1bqp5hqi4j/55976573608.pdf
- https://elektrona.cz/files/file/11157440746.pdf
- http://fulepmark.hu/nyebu/fulepmark/userfiles/file/zafifulakujuxiwafovinavub.pdf
- https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/a3fd35db9beb7ba3158c6c7af862739c/43557905752.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=libro+antropometria+arquitectura+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_off0000cdd4.bin87832831a8322ab936c02b89a3c365aba36a66231c26ab988dd9208c273d0dd7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDD4 | 10912 bytes |
font_01_sfnt_off0000e6a0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6A0 | 16792 bytes |
font_02_sfnt_off0000feb2.binb3a41844564fbddb0a14a39ef258139dfd347254bae42044cb7ec9125248b2ce |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEB2 | 17060 bytes |
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