MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The presence of numerous external URIs, many pointing to compromised WordPress installations and acting as a link farm, strongly suggests a phishing or malware distribution attempt. No scripts were extracted from this sample, but the overall structure and URL patterns indicate a malicious intent to redirect users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://catamma.ru/uplcv?utm_term=manual+em+portugu%C3%AAs+c%C3%A2mera+icsee PDF link annotation
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1608bf45a36286---15087886733.pdfIn PDF document text
- http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/160c0746d03b8d---fuxukuvimigavutusar.pdfIn PDF document text
- https://energooptima.hu/upload/File/munobus.pdfIn PDF document text
- https://feng-shuiworld.com/userfiles/file/41816008506.pdfIn PDF document text
- https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f92a10001a1---vojarapinekidizamex.pdfIn PDF document text
- https://shopexpert.com/app/webroot/files/userfiles/files/jabezunagijaj.pdfIn PDF document text
- https://msr-hudsonproperties.com/wp-content/plugins/super-forms/uploads/php/files/529d5cebe770c9e70adb251a4c7cd2a8/ximuraxavilaw.pdfIn PDF document text
- https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/3so20s0l27g1pq1cv2im84l9h6/85377329677.pdfIn PDF document text
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609452e23803f---10894274960.pdfIn PDF document text
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/9149edcac353cac4cb8c484836572b4e/7501768382.pdfIn PDF document text
- http://bikipvuikhoedep.com/app/webroot/files/editor_upload/files/43729708663.pdfIn PDF document text
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/relo1gdnjvjl4vdlcp80ao3tc8/72686360439.pdfIn PDF document text
- http://yjccnc.com/upload/files/21566743458.pdfIn PDF document text
- https://flvirginia.com/wp-content/plugins/super-forms/uploads/php/files/4b9d2138c4ea408fd4cf03c7df4090cd/84282231992.pdfIn PDF document text
- https://voyagerf.ru/wp-content/plugins/super-forms/uploads/php/files/2012591c5bbba4d4493e73da1020fa96/zoranepugada.pdfIn PDF document text
- https://carolinevlieghe.fr/images/file/fupikos.pdfIn PDF document text
- https://mbzl-pro.xyz/web/img/podborky/files/75332106857.pdfIn PDF document text
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdfc393ce65---virutapalitovamos.pdfIn PDF document text
- http://altelaw.com/uploads/image/file/lubatowidegezafoz.pdfIn PDF document text
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081aafbed565---kubodusapize.pdfIn PDF document text
- http://softwarefactory.nl/images/file/86397934579.pdfIn PDF document text
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606f175eb7117---fabadotil.pdfIn PDF document text
- http://artecgroupservices.com/imagenes/file/81150889229.pdfIn PDF document text
- http://xn--49s538bo8ux8c.net/userfiles/file/78892476590.pdfIn PDF document text
- http://www.alex-vasilkov.ru/images/wisdom/file/ludaxowez.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_off0000c034.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC034 | 11156 bytes |
SHA-256: 8f48548a3daf7da09388df513dfa4ffc64dd0384816c47f19614d9e03ddca1b4 |
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font_01_sfnt_off0000d985.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD985 | 15140 bytes |
SHA-256: 058baca6ebc40e7a685051024a6b5461a6ba806394e3b489c265d430f291249c |
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font_02_sfnt_off00010077.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10077 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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