MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Several heuristics identified the PDF as a link farm, with many URLs pointing to compromised or disposable hosting, suggesting a phishing or malware distribution scheme. The presence of external URIs and the overall structure point towards an attempt to redirect users to malicious sites, likely as part of a spearphishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://al-farh-iq.com/upload/userfiles/file/25110397936.pdf In PDF document text
- https://gjbuyerbroker.com/userfiles/file/37418379095.pdfIn PDF document text
- https://garnet-medical.com/userfiles/files/92041626182.pdfIn PDF document text
- https://www.fyna.com.au/application/third_party/ckfinder/userfiles/files/28740555131.pdfIn PDF document text
- https://ehlibeytalimleri.com/resimler/files/96398750955.pdfIn PDF document text
- http://polenes.cl/userfiles/file/6296880666.pdfIn PDF document text
- https://activepymes.com/pub/file/12585187634.pdfIn PDF document text
- https://northcoteplaza.com/userfiles/file/zekonivofepurulagun.pdfIn PDF document text
- http://hoangminhceramics.com/app/webroot/uploads/files/zatelezolebosogesinip.pdfIn PDF document text
- https://yenhuy.vn/upload/files/25964579911.pdfIn PDF document text
- http://nebovsem.ru/app/webroot/files/files/lepubejidig.pdfIn PDF document text
- http://csc-028.com/userfiles/file/20210914183039_84pnt3.pdfIn PDF document text
- http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613680f687fd3---57239711350.pdfIn PDF document text
- https://qfuse.it/images/uploaded_files/ckfinder/files/1631588053_ea4325a23a.pdfIn PDF document text
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1613b39f69d886---14733370821.pdfIn PDF document text
- http://theleadershipworks.com/PO2/UPFILE/userfiles/files/42440574387.pdfIn PDF document text
- https://franciscovalles.comtraining.cl/userfiles/files/jirawixowojiwewi.pdfIn PDF document text
- http://tnslib.tools/userfiles/files/36534129177.pdfIn PDF document text
- http://uekekb.ru/!upload/files/56723600934.pdfIn PDF document text
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161350fb0df566---dorinajotegaluwobopavape.pdfIn PDF document text
- https://5udua.com/contents/files/64743778595.pdfIn PDF document text
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16130458a77e28---36436768611.pdfIn PDF document text
- http://eurolocal.info/sites/default/files/images/file/90834263767.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=habits+of+highly+effective+people+pdfPDF 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d44a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD44A | 18628 bytes |
SHA-256: 460af5355d62a5b8bf1b2539f0eb59aadd438107d241e8b79b786f0cfbb78e59 |
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font_01_sfnt_off000104b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104B5 | 11004 bytes |
SHA-256: 13329e1f836cac7e2b2c49a4b64137449fcb9560397d5e9ed59df689f20164c0 |
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font_02_sfnt_off00011e0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E0D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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