MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised WordPress upload directories, suggesting a link farm designed to redirect users to malicious sites. The presence of embedded URLs and the PDF structure strongly suggest it's used as a lure, likely for phishing or to download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://ketchas.ru/uplcv?utm_term=pc+market+apk PDF link annotation
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613927a86c934---76101662791.pdfIn PDF document text
- http://apartmany.cucoriedka.sk/data/files/zulivajina.pdfIn PDF document text
- http://protok.pro/upload/files/fukemano.pdfIn PDF document text
- http://tunapvietnam.thietbiotoviet.com/Images_upload/files/safumulibubavotiroju.pdfIn PDF document text
- https://torgradio.ru/new/files/file/gizul.pdfIn PDF document text
- https://pastelbuilders.com/userfiles/file/79055471285.pdfIn PDF document text
- http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16136808d06e68---xuxadixus.pdfIn PDF document text
- https://ww150005.linebot.net/upfile/files/20210909050803.pdfIn PDF document text
- https://bengalroys.com/ckfinder/userfiles/files/kapazufadaxal.pdfIn PDF document text
- http://sandsflooring.co.uk/ckfinder/userfiles/files/sibiwidikix.pdfIn PDF document text
- http://ilksolar.com/Images/Media/files/fejigubepamuluwikajanu.pdfIn PDF document text
- https://bazab.ru/ckfinder/userfiles/files/60507578128.pdfIn PDF document text
- http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/16136754d8fccc---38024640057.pdfIn PDF document text
- http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161362a6d717de---55664893143.pdfIn PDF document text
- http://probeg2000.ru/files/userfiles/files/89456890214.pdfIn PDF document text
- https://mklaassen.nl/images/file/xefevinomadol.pdfIn PDF document text
- https://408of53crownstreet.com/assets/media/files/kukofapeliba.pdfIn PDF document text
- http://www.civilhospitalpalampur.in/img/uploads/files/67511811877.pdfIn PDF document text
- http://kolaykanal.com/userfiles/files/43547901916.pdfIn PDF document text
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/7422ee739d71f0dd8f3af8d7bc452aae/semanom.pdfIn PDF document text
- http://grasslandtj.com/upload/files/pinamivafawan.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_off0000d7f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7F5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f00c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF00C | 10096 bytes |
SHA-256: 9e5345e785738c2cfcff7f02f88e37d0062b164222d07ae6da0abe2bec08a758 |
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font_02_sfnt_off0001069d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1069D | 18360 bytes |
SHA-256: 71d9bd5fe82c51879e48889e65d96b38a674581ce2c67b38d323fc9c9974bc16 |
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