MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external resources, many hosted on compromised websites or disposable domains, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly suggest malicious intent, likely to deliver a secondary payload. While no scripts were explicitly extracted, the presence of a link farm and the nature of the heuristics point towards a phishing or downloader attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 7
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://www.ambatownship.com/ckfinder/userfiles/files/14731108544.pdf In PDF document text
- http://mutamobilya.com/images_upload/files/bebonibanejogutubejanaw.pdfIn PDF document text
- https://semsaesp.com/ckfinder/userfiles/files/96652525275.pdfIn PDF document text
- http://beastyenergy.com/userfiles/file/75593623334.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/uvk5sd5jhfle60q8m0i0derarg/mujezafiwoxob.pdfIn PDF document text
- https://www.gasserbush.com/wp-content/plugins/super-forms/uploads/php/files/8a240fd407ca89cdac99b0a43dcdd14e/dajujudozum.pdfIn PDF document text
- http://ypdtools.com/ckfinder/images_store/files/tijobo.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/e8aed089da240817b594fbea16d03224/pebovarojopu.pdfIn PDF document text
- http://157.230.241.115/image/upload/File/sigag.pdfPDF link annotation
- https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/1d4993d99735dd875adc254d48c47c86/jupazupetubebuz.pdfIn PDF document text
- http://cricalliance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607483eb9c494---95532585758.pdfIn PDF document text
- http://weforyou.it/userfiles/files/xelirutujunejiseva.pdfIn PDF document text
- https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/cd3cf7o4s34aj0vk1ni1leg0k0/54620986658.pdfIn PDF document text
- https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a294956a6e1---3191881827.pdfIn PDF document text
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/161119792bad5a---rososupafemazodowoze.pdfIn PDF document text
- http://shinies.ru/img/lib/file/zogat.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=reading+for+thinking+8th+edition+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_off0000c515.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC515 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dd27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD27 | 17872 bytes |
SHA-256: d64cdcdb018c1b0165e85ea56116c50a6467e39fb7cb0e14be562e7491b9b989 |
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font_02_sfnt_off00010b4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B4F | 10908 bytes |
SHA-256: d715c8d8e104cf7b08639032337e963638373b99be713c5308491d2759c4778f |
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