MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was identified as malicious by ClamAV and an ML classifier, with high-confidence heuristics indicating it contains links to compromised CMS upload storage. The embedded URLs point to various PDF files hosted on potentially compromised websites, suggesting a phishing or malware distribution scheme. No scripts were extracted, but the PDF structure and URL findings strongly indicate an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9828
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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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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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://nedimgame.com/calisma2/files/uploads/rafogujefofalomiromefimed.pdf In PDF document text
- http://yuhenganquan.com/userfiles/file/20210904182153_1269829649.pdfIn PDF document text
- http://tourister.kr/userfiles/file/tebajiker.pdfIn PDF document text
- https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/1f08dfe26414759f19330518ed2c3fa3/pewaxo.pdfIn PDF document text
- http://mrybalko.ru/files/52476634988.pdfIn PDF document text
- http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/1612fa794d30d7---89637401854.pdfIn PDF document text
- https://funcarele.com/ckfinder/userfiles/files/28655226091.pdfIn PDF document text
- http://topimmigrationlawyer.org/ckfinder/userfiles/files/remaduwawaxutusuxavat.pdfIn PDF document text
- http://fairbank-ia.org/admin/ckfinder/userfiles/files/71923448075.pdfIn PDF document text
- https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/e1fe93ffe45dff1bebd9524302524a4d/rerumaso.pdfIn PDF document text
- https://hotelmitrutarija.com/uploaded/files/16764426918.pdfIn PDF document text
- http://sarigol.kr/userData/ebizro_board/file/wubozaforoval.pdfIn PDF document text
- http://boxshop.mn/userfiles/files/rejipesadanomasazevud.pdfIn PDF document text
- http://chinahongji.com/d/files/padajadeto.pdfIn PDF document text
- https://rsebolivia.org/userfiles/file/94936767561.pdfIn PDF document text
- http://poptheme.cn/uploadfile/files/20210911_221303.pdfIn PDF document text
- https://www.kindspring.org/inc/ckfinder/userfiles/files/36398806675.pdfIn PDF document text
- http://praguetransfer.com/files/file/10188696192.pdfIn PDF document text
- https://mystruggle.uk/indigo/ckfinder/userfiles/files/salul.pdfIn PDF document text
- http://sushistoryus.com/uploads/files/44768099311.pdfIn PDF document text
- http://ultrabeauty-ff.ru/userfiles/file/35138652501.pdfIn PDF document text
- https://ddnepal.com/assets/userfiles/files/kujebuwi.pdfIn PDF document text
- https://tierrettung-in-katalonien.org/ckfinder/userfiles/files/60566984201.pdfIn PDF document text
- https://groupunsur1.com/contents/files/60829022533.pdfIn PDF document text
- http://kingsfinancialconsulting.com/userfiles/file/54608758747.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=come+liberare+ram+su+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_off000307b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x307B0 | 10580 bytes |
SHA-256: df09c8ff08a56b90be8218b77c4fd4b86e99926fb26231c2b8dfff0043f207ee |
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font_01_sfnt_off00031fb9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x31FB9 | 19748 bytes |
SHA-256: 5b77388d8cdb702debbc2d5c60090910546a259d2c39df7f4ebb1a675970175e |
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font_02_sfnt_off000354f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x354F2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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