MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, with many URLs pointing to compromised CMS uploads or disposable hosting, suggesting a phishing or malware distribution scheme. The presence of external URIs and link farms points towards an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://inwebjor.ru/uplcv?utm_term=azar+mod+apk+2020 PDF link annotation
- https://angkortaxiservice.com/userfiles/file/ribixarawawujoxurizor.pdfIn PDF document text
- http://pmrs.ps/userfiles/file/98437298176.pdfIn PDF document text
- http://fobas.cz/userfiles/file/goxazebilejimuwe.pdfIn PDF document text
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131ce95822d2---628498218.pdfIn PDF document text
- https://zoldlaptop.hu/ckfinder/userfiles/files/lisoranelimozugad.pdfIn PDF document text
- http://ymmicro.com/files/files/jodilo.pdfIn PDF document text
- http://youzedu.com/ckimages/files/20210905041921710208.pdfIn PDF document text
- https://www.gryf-wet.pl/ckfinder/userfiles/files/44208875141.pdfIn PDF document text
- http://gulfapex.com/uploads/file/46761562577.pdfIn PDF document text
- http://baloneacessorios.com/_upload/file///67839818732.pdfIn PDF document text
- https://www.creativetalentnetwork.com/ckfinder/userfiles/files/84320170084.pdfIn PDF document text
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135b91a91004---vibimumapox.pdfIn PDF document text
- http://revistaspontan.ro/assets/ckfinder/core/connector/php/uploads/files/dedaxobagunexede.pdfIn PDF document text
- http://auroraenergyproject.it/userfiles/files/57566000260.pdfIn PDF document text
- https://cyberbirddog.com/userfiles/files/novavokegozedafo.pdfIn PDF document text
- http://smolensk-bakaleya.ru/userfiles/file/denavolaxugikari.pdfIn PDF document text
- http://djk-winkel.de/images/uploads/file/pinenuzetigunixoxig.pdfIn PDF document text
- http://stringquartet.biz/web/images/fck/file/42155361207.pdfIn PDF document text
- https://mywayrtk.com/userfiles/file/69543747169.pdfIn PDF document text
- https://sogelec-eng.com/files/ckfinder/files/31456155734.pdfIn PDF document text
- http://s-privod.ru/userfiles/file/60159765923.pdfIn PDF document text
- http://hamishehbaharcarpet.com/My_Project/Hamishe_bahar/ahar_img/files/rofolemajofigumojovo.pdfIn PDF document text
- https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/lqduaeb5qmv17971a1c8gienk5/tugukaripavugifulo.pdfIn PDF document text
- http://awarelaxcentrum.cz/user_files/file/taxig.pdfIn PDF document text
- http://tai-yang.tw/taiyang/upload/file/88760165466.pdfIn PDF document text
- http://lab4050.com/upload/editor/file/96643914237.pdfIn 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_off0000d0c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0C7 | 10288 bytes |
SHA-256: d79248fa1c7611849ab952ed0a7247e3bf276b39935b38c4285156d214261122 |
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font_01_sfnt_off0000e7fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7FB | 17472 bytes |
SHA-256: dd8b611c252272d3063cef68e553a1dec9e24492849ab250c3b65edb7b21f04e |
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font_02_sfnt_off00011515.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11515 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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