MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories. The 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics indicate a pattern of using disposable or compromised hosting for link farms. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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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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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://asiarsolutions.com/userfiles/file/dukijarik.pdf
- http://kccmaul.com/files/files/82590158981.pdf
- http://mayinmaunhat.com/upload/files/93679196650.pdf
- https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/77178c2796a2e5106196aec2be5d70a3/63849972287.pdf
- http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/7847a54ee664ad8bec8212ac77d51692/xujejel.pdf
- http://www.cenlaenvironmental.com/siteuploads/editorimg/file/54938882502.pdf
- http://lctrading-gmbh.com/ckfinder/userfiles/files/37941121301.pdf
- https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/a41bc73415b87a14813703e4b7abb5d7/wogujaxokedebugosujemowif.pdf
- https://christianklein.eu/Quansis/ckfinder/userfiles/files/97253489824.pdf
- https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/8b310f69506f03b17fa45e16fb613be3/98582835039.pdf
- http://thebrownbag.vn/upload/files/32818687084.pdf
- http://szao-spb.ru/images/news/file/79884092200.pdf
- http://dioceseofniranam.org/userfiles/file/warotuso.pdf
- https://foulardfotografando.it/file/xajililipuzomogobunav.pdf
- http://dalnoboy.net/data/filestorage/upload/files/19503171542.pdf
- http://ypperfect.com/ckfinder/userfiles/files/88596909663.pdf
- http://www.assignproject.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078f26324d2c---raborepareduwinemides.pdf
- http://nowyhotelik.pl/userfiles/file/gifazolazadoratozut.pdf
- https://sharmtocairo.com/userfiles/files/jufufulu.pdf
- http://mea-travel.pl/userfiles/file/fikajodasulejexogowag.pdf
- http://cabinet-blin.fr/ressource/site-image/files/fobajudowokutevoninasur.pdf
- http://oreoltour.ru/sites/default/files/file/saterasesijabirom.pdf
- https://ambient-interier.cz/files/files/84854540366.pdf
- http://albino-pitti.com/pub_img/file/38641936554.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=ordering+positive+and+negative+fractions+on+a+number+line+worksheets
- 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_off0000d106.binf81e3ebe3eb14241cac0085687318716646feb62c9a908fb08e20f3f193434d9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD106 | 11576 bytes |
font_01_sfnt_off0000ebf9.bin9c9437d38a6c9c1b7fd28829cc3512d1eb8b9409a81c3f9005128cea722fc032 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBF9 | 18392 bytes |
font_02_sfnt_off00011bd5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BD5 | 16792 bytes |
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