MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs pointing to various websites, many of which appear to be compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly indicate a link farm designed to redirect users to potentially malicious content. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports a malicious intent, likely involving phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://crewmak.ru/uplcv?utm_term=true+phone+dialer+pro+apk PDF link annotation
- https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/jnapid5ppt77ma5dmme6vipv7a/ribawisakutodazuviko.pdfIn PDF document text
- http://dija.lv/public/userfiles/file/48863362011.pdfIn PDF document text
- http://blfimmobiliare.com/userfiles/files/4656071313.pdfIn PDF document text
- http://hzyixiangchem.com/upload/files/83732009087.pdfIn PDF document text
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/c842b7bf261556d97ef3291d7f199903/37935803562.pdfIn PDF document text
- http://industrialsupplies.pk/userfiles/files/nibuwofonitutatabadadi.pdfIn PDF document text
- https://wupaojichangjia.com/d/files/tefolurerinexomiton.pdfIn PDF document text
- https://aynadakikemalizm.com/resimler/files/vofuwefarezonure.pdfIn PDF document text
- http://reguitti-engineering.it/userfiles/files/gusuferezinutudi.pdfIn PDF document text
- http://uts.edu.co/portal/app/ckfinder/userfiles/files/koduvevik.pdfIn PDF document text
- http://ampletrekking.com/userfiles/file/gazijod.pdfIn PDF document text
- http://pcccphucvinh.com/upload/files/gonuzuxebizikabeva.pdfIn PDF document text
- https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/cdcff8e65a67e54c0f43956021a4f539/41191058011.pdfIn PDF document text
- http://aromaonly1.com/yamituki-n/uploads/files/lixuleturina.pdfIn PDF document text
- http://americandeliorder.com/uploads/files/27770023245.pdfIn PDF document text
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/161392f1ddc988---66562364030.pdfIn PDF document text
- http://ever-pioneer.com/upload/files/51378126232.pdfIn PDF document text
- https://cornerstonelaw.eu/userfiles/file/18066227430.pdfIn PDF document text
- http://e-sheremet.com/img/veremafimidibes.pdfIn PDF document text
- http://www.weilandensemble.nl/ckfinder/userfiles/files/vusatabiv.pdfIn PDF document text
- http://www.bufolari.com/public/immagini/file/37927766014.pdfIn PDF document text
- https://gegeny.hu/uploads/file/77188226612.pdfIn PDF document text
- https://zniczekowalczyk.com/user_images/file/3555550812.pdfIn PDF document text
- http://youngshiny.com/userfiles/file/1631466226.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_off0000cc91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC91 | 18128 bytes |
SHA-256: 69f5e505c3f66de3d176556472d26c5435065a7a343359dec4a72994c61c6d92 |
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font_01_sfnt_off0000fb0f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB0F | 10376 bytes |
SHA-256: 159c97f8f87d7fbc5e9fd97a023a56f8a0ae3dab1650445d79e7a91dbf91f5fa |
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font_02_sfnt_off0001125a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1125A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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