MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to potentially compromised websites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically highlights this behavior, suggesting an attempt to lure users to external resources. The presence of multiple unknown URLs, including one hosted on a compromised CMS upload directory, reinforces the phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132c26983fac---bojinafu.pdf In PDF document text
- http://noahmission.org/dataroom/file/volarebawifedez.pdfIn PDF document text
- https://stepweystudy.com/ckfinder/userfiles/files/38775761932.pdfIn PDF document text
- http://zhizhencn.com/filespath/files/20210908001357.pdfIn PDF document text
- http://nonstopsushi.com/uploads/files/gazasikaruruxujin.pdfIn PDF document text
- https://intersat.lv/files/file/fotivadosujidimizomu.pdfIn PDF document text
- http://carbontuning.ru/file/ribijujake.pdfIn PDF document text
- https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/o9t7c9pjv5mpcj0blk39alui6c/60937007607.pdfIn PDF document text
- https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/aqumif0n03tsfpus26d6qv0l21/lubolotida.pdfIn PDF document text
- https://bodykneadstherapy.com.au/ckfinder/userfiles/files/91461479336.pdfIn PDF document text
- http://xn--vb0b83rba554gca.kr/page_data/file/20210902134927.pdfIn PDF document text
- https://minjar.mebel18.com/uploads/files/56824682096.pdfIn PDF document text
- https://gulfcans.com/home/madarmun/public_html/gulfcans/images/bulk_images/files/64427170345.pdfIn PDF document text
- http://ct-tci.com/cttax/userfiles/files/fiwefi.pdfIn PDF document text
- https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/3dbf6e83c1557624c2fe1a45fb1beba1/68051173995.pdfIn PDF document text
- http://puzynowska-kancelaria.com/userfiles/file/74402684559.pdfIn PDF document text
- http://egitara.com/upfiles/files/2446134874.pdfIn PDF document text
- https://bepxuyenviet.com/upload/files/69064666799.pdfIn PDF document text
- http://keifo.ru/ckfinder/userfiles/files/61172733486.pdfIn PDF document text
- https://thietbixaydungcantho.com/canthomobile2/public/images/sanpham/files/wadudaw.pdfIn PDF document text
- https://serka.com/serka/upload/files/29261488880.pdfIn PDF document text
- http://windowsplusllc.com/ckfinder/userfiles/files/tobejezukeposudeb.pdfIn PDF document text
- http://capitaldanceacademy.com/userfiles/files/jomeki.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=programming+problem+solving+and+abstraction+with+c+pdf+download+freePDF 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_off0000bfb6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBFB6 | 11360 bytes |
SHA-256: b4bd29350383af65604bb04f1af9aa69f59ca66d6c3a7672068ceeff27837d7c |
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font_01_sfnt_off0000d9e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9E8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f1fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1FA | 18504 bytes |
SHA-256: 7c31140d0a6cbbf74561ac6c45a47556f6c5602665cbf784a64cc58d4d5ff190 |
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