MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple compromised or disposable hosting sites, which is a common tactic for phishing or malware distribution. The presence of numerous URLs, many associated with compromised CMS uploads or disposable hosting, strongly suggests a malicious purpose.
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://huntic.ru/uplcv?utm_term=hifont+apk+download PDF link annotation
- http://stickerbarcode.com/file_media/file_image/file/larudubipemubuxut.pdfIn PDF document text
- http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f9c8084d99---nusamokaz.pdfIn PDF document text
- https://apteka-wratislavia.pl/halatecza/userfiles/file/xasavokinevuwetivor.pdfIn PDF document text
- http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/16137b845c0f87---87740895399.pdfIn PDF document text
- http://metisentry.net/ckfinder/userfiles/files/wuwitamepu.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eea7a67de5---poxexiti.pdfIn PDF document text
- http://banhangcongnghe.com/upload/FCK/file/zifudevavakukutuven.pdfIn PDF document text
- https://hoatuoi360.vn/uploads/files/60709164072.pdfIn PDF document text
- http://teacherandtraining.com/coj_u/KK/userfiles/files/79388223409.pdfIn PDF document text
- https://pcparts.fr/ckfinder/userfiles/files/26004005159.pdfIn PDF document text
- http://lulanjina.net/upload/files/59025608421.pdfIn PDF document text
- https://happy-playground.gr/uploads/_uploads/files/78976164557.pdfIn PDF document text
- http://angelcabrera.com/FCKfiles/file/3702741473.pdfIn PDF document text
- http://firesecurity.sk/userfiles/file/lewijikimesok.pdfIn PDF document text
- http://jtylek.pl/Upload/file/56203361480.pdfIn PDF document text
- https://bomnuocebara.com/quangbasanpham/app/webroot/upload/image/files/55337016630.pdfIn PDF document text
- http://xinshifm.com/userfiles/file/55067065458.pdfIn PDF document text
- http://dichvutheapec.com/upload/FCK/file/61062472554.pdfIn PDF document text
- https://perfecthospital.org/ckfinder/userfiles/files/figivigofog.pdfIn PDF document text
- http://shceping.com/upFile/photos/2021-9/file/27802605245.pdfIn PDF document text
- http://thanglong.vn-greenenergy.com/ckfinder/userfiles/files/96079692530.pdfIn PDF document text
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/161401b8022fa4---50240074460.pdfIn PDF document text
- http://ingegneriarossi.it/userfiles/files/7068502793.pdfIn PDF document text
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fa89921c4a---17667653088.pdfIn PDF document text
- https://sindicav.com.br/ckeditor/ckfinder/userfiles/files/gulomobidepedojafutikogap.pdfIn PDF document text
- http://blueleaves.ru/userfiles/file/nuvufazepukugatupe.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_off0000d4b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4B0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ecc7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECC7 | 10260 bytes |
SHA-256: b5cdeccd595817d44a9775899cee25dfd276716849f5374250aa4ef71c1f0e52 |
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font_02_sfnt_off000103e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103E7 | 17868 bytes |
SHA-256: f3785a88aeb34dd2ca8e674a80f2b38aefbfa9abe06f651cdd9409ecf9372fe7 |
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