MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of embedded URLs and the nature of the heuristics strongly suggest this PDF is used as a lure to download further malicious content or phish for credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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 http://makingthegradetexas.com/clients/d/d4/d4716c73f098ea79da165a2194b6736a/File/26055465708.pdf In PDF document text
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b36116f2d60---89639028203.pdfIn PDF document text
- http://angeladaniel.eu/uploads/files/nunosaluzanijago.pdfIn PDF document text
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9fa63a26bf---96082220242.pdfIn PDF document text
- http://ahxxzx.com/userfiles/202104/file/fumonaditijav.pdfIn PDF document text
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d090e03d6cd---zirotiko.pdfIn PDF document text
- https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/1dfad949c398e336990c18b9f30fd5bc/77631958427.pdfIn PDF document text
- http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/16074221c0eb31---65852726179.pdfIn PDF document text
- https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/bcd7dcee77a8e3fabf3e985a7e4232df/48019710140.pdfIn PDF document text
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/16098ea618731e---gulagomobedepofeniwi.pdfIn PDF document text
- https://daaeportrett.no/upload/file/51638142168.pdfIn PDF document text
- https://canadiancontractorservices.com/wp-content/plugins/super-forms/uploads/php/files/298h6l5pjqpbdfeu0i2v8fhbq6/93331800617.pdfIn PDF document text
- https://batikatravels.com/userfiles/file/20274935697.pdfIn PDF document text
- https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/fqvprbf7ruj61j2c70mv9455ob/84839342418.pdfIn PDF document text
- https://loctra.net/userfiles/file/92239777373.pdfIn PDF document text
- https://artasedanasingaraja.com/uploadfck/file/bulevatuvoreziwonaluruji.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=mariah+out+here+on+my+ownPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000db0c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB0C | 17188 bytes |
SHA-256: c32ea0a651dcd5902220d211e72f202432e41b9348b6bfe629aef673fd663ece |
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font_01_sfnt_off000107ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107CA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011fdb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FDB | 16164 bytes |
SHA-256: fd494554c7a7a2c4488382a78096c535ff133766c7221992be4f6a58596b2467 |
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font_03_sfnt_off00013552.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13552 | 10452 bytes |
SHA-256: 574a9f5b3092a2ade73792dd5177ad03566aabb900873a84037a9ff21398de0b |
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