MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The document contains numerous links to external websites, many hosted on compromised WordPress sites, suggesting it is part of a link farm designed to redirect users to malicious content or phishing pages. The presence of embedded URLs and the overall structure point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://archism.ru/uplcv?utm_term=map+of+the+world+pdf+printable PDF link annotation
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160bf93477387d---6506806689.pdfIn PDF document text
- http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a124e2e471f---xadisafonipuso.pdfIn PDF document text
- https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/4fb6b8107030ca28d6a9190b1b64d772/74468198714.pdfIn PDF document text
- http://lideparts.com/userfiles/file/1621300737.pdfIn PDF document text
- https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/hdvloel05g3e9iq6rp6klelec0/xifowamizitugodegola.pdfIn PDF document text
- https://anmimar.com/royal/userfiles/file/27657980249.pdfIn PDF document text
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160784aca9d1d1---bulanizofuzexesoz.pdfIn PDF document text
- http://andreaslasnik.com/data/files/58537199590.pdfIn PDF document text
- http://sola-brothers.com/userfiles/file/43501807679.pdfIn PDF document text
- http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/oai8a80jitg79rgr2vtvn1d2nm/24534986432.pdfIn PDF document text
- http://acecaalcoy.com/userfiles/file/lowukuxoxibowubidez.pdfIn PDF document text
- https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/kdkn66p42lb9vu5osrqu414l9m/bozikixonuwifiwerubasuxop.pdfIn PDF document text
- http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/21ba17893c0d4397fb36f49dbcb3ef69/wibasixano.pdfIn PDF document text
- https://samarpanbharat.org/trila/userfiles/file/44149127482.pdfIn PDF document text
- http://ranaghatpchsschool.org/userfiles/file/juzowezowawonos.pdfIn PDF document text
- https://shiokerbau1.com/contents//files/54364446998.pdfIn PDF document text
- https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/9fa1dc750051006c76af19e60dc57d6a/zitalokabumowomalod.pdfIn PDF document text
- https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/slaq5s26i9sf08n19ejft8tbcv/numotikiwakijijuveba.pdfIn PDF document text
- http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c76d4ac980---3180092808.pdfIn PDF document text
- http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/jh6425ilpt6fdd925banmgvpo4/zaxezefevesuxijes.pdfIn PDF document text
- http://porpora.info/imagenes/imagenes_contenidos///90043568620.pdfIn PDF document text
- http://abpaluso.com/upload/file/vinukogosiwawopibupef.pdfIn PDF document text
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/pj1ruj08j3prj94jauahpi5i2b/xikonefezusasiwi.pdfIn PDF document text
- http://noxsun.com/jingkelun/userfiles/files/20210602174711.pdfIn PDF document text
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093c95c94761---4308125385.pdfIn PDF document text
- http://nakamurasangyou.jp/app/webroot/uploads/files/64113648429.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_off0000f4db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4DB | 10644 bytes |
SHA-256: 81e10041c2d058d854d9e3f01ed782f3d105dd28106c634a10f2c1ab7be3599b |
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font_01_sfnt_off00010cee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CEE | 17356 bytes |
SHA-256: 71d1f66e146af8382c98c79fb3b0c2003d14d23c1e8276baa201a9c59c76dec7 |
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font_02_sfnt_off00013a26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A26 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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