MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by a machine learning classifier and ClamAV as malicious, indicating it likely exploits a vulnerability or contains malicious content. The presence of numerous links pointing to compromised CMS uploads and disposable hosting suggests a phishing or malware distribution scheme. The file's structure and embedded links are consistent with a spearphishing attachment designed to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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 http://xn----8sbemnkjd7bfu.xn--p1ai/design/img/upload/file/78452400678.pdf In PDF document text
- http://kleiberit.ru/files/file/29457521209.pdfIn PDF document text
- https://semsaesp.com/ckfinder/userfiles/files/30872134028.pdfIn PDF document text
- https://www.iieng.org/editor/ckfinder/userfiles/files/94024041506.pdfIn PDF document text
- http://irths.com/upload_files/files/91609896746.pdfIn PDF document text
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/161346b312ca56---gorugajikovorobotuliwib.pdfIn PDF document text
- https://xn--psg-9lac.hu/files/files/61117866422.pdfIn PDF document text
- http://dnepropress.net/files/file/konobawenu.pdfIn PDF document text
- http://dighakanchaninternational.com/FCKeditor/file/33883361451.pdfIn PDF document text
- https://jpjplumbingandheating.com/FCKeditor/file/goxasefozakezogatapef.pdfIn PDF document text
- https://weishinclinic.com/uploads/files/202109112258394766.pdfIn PDF document text
- http://youil.org/userData/board/file/25431354460.pdfIn PDF document text
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613b5777cf152---23966859946.pdfIn PDF document text
- http://mmckno2010.zkosuchdol.info/files/sotilozega.pdfIn PDF document text
- https://www.natursany.com/ckfinder/userfiles/files/64513845339.pdfIn PDF document text
- http://salon-urody-bellis.pl/images/file/jowotavawusulerit.pdfIn PDF document text
- http://songhakbbq.com/uploads/files/72039259280.pdfIn PDF document text
- http://ncdesign.it/userfiles/files/nebotolejikanamutukib.pdfIn PDF document text
- https://eco-translation.ca/upload/editor/file/44808531409.pdfIn PDF document text
- http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613bc4660a18b---72735337440.pdfIn PDF document text
- http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/16133d6a7254a8---20341060617.pdfIn PDF document text
- http://www.moyekolodin.com/files/lewevapuloganased.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=video+cropping+app+androidPDF link annotation
- 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_off0000eb2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB2C | 17332 bytes |
SHA-256: 6ec2861f608222b212c955239e1bc5d9133c55ce95c0f7278743af8e43f57646 |
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font_01_sfnt_off00011819.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11819 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013030.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13030 | 10344 bytes |
SHA-256: ca1dba667c47d709161404c8d79fbca2c08984faead16a8af09939a170f489c9 |
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