MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised CMS upload storage and disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs, while numerous, do not appear to be directly executable, but their presence on compromised sites is suspicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://grapes4u.ca/sites/all/sites/grapes4u.ca/files/monupajalelinaris.pdf In PDF document text
- http://pivotal-technologies.com/userfiles/file/32651457606.pdfIn PDF document text
- http://cplust.com/upload/serback/files/20210920143747.pdfIn PDF document text
- http://msslink.ru/userfiles/files/77844434429.pdfIn PDF document text
- http://npi-management.com/ressource/site-image/files/9098604094.pdfIn PDF document text
- http://uniondrygoods.com/fckeditor/userfiles/file/kanelifixovewofik.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147fc2428a6a.pdfIn PDF document text
- http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/1613a9c2b73991---69181443496.pdfIn PDF document text
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/httg7nhoondf6pktgntv27qo9n/barowon.pdfIn PDF document text
- https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/nk53umopnnn5iiu393muen6r9i/97301236415.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/ophldnfif2p347essfk0vnj3i5/bugifisajugi.pdfIn PDF document text
- https://planningpvedh.nl/ckfinder/userfiles/files/77660801437.pdfIn PDF document text
- http://hidropro.hu/upload/leduxip.pdfIn PDF document text
- https://tarsiman.ee/files/file/repupiwer.pdfIn PDF document text
- http://3dtechgroup.com/uploads/image/files/41645968406.pdfIn PDF document text
- https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/aabae35b187c278b0b9487955c79f5d0/99519753855.pdfIn PDF document text
- http://ifaistos.reality.gr/~triantaf/images/file/14836877668.pdfIn PDF document text
- https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/c4mi7ck6bo6edvl5to7tsuqhd4/93099896309.pdfIn PDF document text
- https://cs-nippon-cp.com/mailmagazine/upload/files/75729014676.pdfIn PDF document text
- https://petribax.nl/userfiles/file/44554498805.pdfIn PDF document text
- http://halaljones.com/uploads/files/91322474693.pdfIn PDF document text
- http://naturalwonders.com/uploads/files/73068793792.pdfIn PDF document text
- https://architektor.ru/uploads/file/toxinoz.pdfIn PDF document text
- https://weilaimachinery.com/userfiles/files/13222649909.pdfIn PDF document text
- https://www.loscam.com/lib_common/ckeditor/ckfinder/userfiles/files/fogevalima.pdfIn PDF document text
- https://pharma-tools.pl/galeria/file/jesolomoxu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=android+vs+windows+laptopPDF 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_off0000d9db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9DB | 10384 bytes |
SHA-256: d0695d72705771a5c0a851296f6740c3aeebd3dbd3ebd5e821b03e0802ffc943 |
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font_01_sfnt_off0000f187.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF187 | 17804 bytes |
SHA-256: e085a24f54052fce73d112369f6b9fdbfac3ca234fbe6583bdb0e69a63f2750d |
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font_02_sfnt_off00011f47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F47 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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