MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is a PDF identified as malicious by ML classifiers and ClamAV. It contains numerous embedded URLs, many of which point to external sites hosted on compromised CMS platforms or disposable domains, suggesting a phishing or malicious redirection scheme. The presence of a link farm and the use of compromised upload storage indicate an attempt to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://www.ciesol.com/ckfinder/userfiles/files/nogomumuvofukekoworopotad.pdf In PDF document text
- http://nattuvaartha.com/assets/ckfinder/core/connector/php/uploads/files/65209953842.pdfIn PDF document text
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/e1cfdb7422f7dfda079251b3419ca9d3/xopojeredatitazix.pdfIn PDF document text
- https://ladida.asia/sporlegen/administrator/imagetempfile/fubodug.pdfIn PDF document text
- http://seattlebestteriyaki.com/uploads/files/juperuromexezigolos.pdfIn PDF document text
- http://soundspace.eu/Upload/file/82578590982.pdfIn PDF document text
- https://tjp2-hotlink-j3t.com/contents/files/12683813525.pdfIn PDF document text
- http://chiengthai.com/file_media/file_image/file/tumamo.pdfIn PDF document text
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613554427e247---zalogutoxuduvomikuleren.pdfIn PDF document text
- https://terracetemayonetim.com/upload/ckfinder/files/zoduvufimomu.pdfIn PDF document text
- http://dispensapertutti.com/userfiles/files/dasilobitemulemek.pdfIn PDF document text
- https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/4da1c1a5caec1a3f670e32782c9fe7fb/25467700367.pdfIn PDF document text
- http://jia-longsofa.com/uploadpic/jialong151126/files/202109052300387682.pdfIn PDF document text
- https://aglogistics-bo.net/userfiles/file/befaxuxosotovanutonel.pdfIn PDF document text
- http://lamgi.pl/ckfinder/userfiles/files/69132096068.pdfIn PDF document text
- https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/f905a290ce627a2dd2be1371a40e8216/fajawerowokakovunopove.pdfIn PDF document text
- http://prosquash.by/data/sevoxanibalufegalopo.pdfIn PDF document text
- http://gostinica-domodedovo.ru/files/junisonupewavejive.pdfIn PDF document text
- http://chi-kara.net/Upload/files/21522567210.pdfIn PDF document text
- http://myapartment.de/web/editor/files/juxosuluxezogi.pdfIn PDF document text
- http://zhfangyuan.com/uploadfiles/files/44110202223.pdfIn PDF document text
- http://aven.su/userfiles/file/gagawebejapowun.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=share+pc+screen+to+android+tvPDF link annotation
- https://www.rt9.rspo.org/ckfinder/userfiles/files/gelisa.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_off0000c484.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC484 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dc9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC9B | 10708 bytes |
SHA-256: bad4a5564af63462d7b5479ad6194e85b7ceefd2a47da9ceb18f75e6c6799cc1 |
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font_02_sfnt_off0000f51e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF51E | 16308 bytes |
SHA-256: 5aa2ae514d44f9b24d9197f12c4f9fbd61bc4f0d52161b94de3297cb6349574a |
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