MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, forming a link farm. These links likely serve to redirect users to phishing sites or download further malicious content.
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://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613e85e19e37f---83054109072.pdf In PDF document text
- http://archgeo-leszno.pl/uploads/userfiles/files/27451936396.pdfIn PDF document text
- https://aihr-iadh.org/uploads/FCK_files/file/494567094.pdfIn PDF document text
- https://avphunter.ro/ckfinder/userfiles/files/sajaritukuzuno.pdfIn PDF document text
- http://csc-0411.com/userfiles/file/20210902122407_487hl6.pdfIn PDF document text
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/scgiuumttb6hvg4okp6fe8ku9f/84697551572.pdfIn PDF document text
- https://edinburghpools.com/contents/files/tanajomibe.pdfIn PDF document text
- https://minlinart.com/archive/upload/files/divuxezovi.pdfIn PDF document text
- https://mytekas.com/UserFiles/file/64701904304.pdfIn PDF document text
- http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132b83db8947---55710653139.pdfIn PDF document text
- http://www.workbythai.com/admin/assets/images/zaguzagusom.pdfIn PDF document text
- http://dioceseofniranam.org/userfiles/file/62048338036.pdfIn PDF document text
- https://factorysales.com/userfiles/files/nelibozasevazopip.pdfIn PDF document text
- https://sledovani2.gpshlidac.cz/www/userfiles/files/vivinirupimeliwafu.pdfIn PDF document text
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1612f6be800c46---zezusulavemekanovix.pdfIn PDF document text
- http://luxlustry.ru/img/upload/fofinixeremo.pdfIn PDF document text
- http://mspchicagolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/wajano.pdfIn PDF document text
- http://elitakhealing.com/ckfinder/userfiles/files/68992752248.pdfIn PDF document text
- https://apartmani-mestrovic-krk.hr/files/webuwanirekisawagogiwa.pdfIn PDF document text
- https://questyme.com/userfiles/file/komukorot.pdfIn PDF document text
- http://househouse.it/userfiles/files/55753918901.pdfIn PDF document text
- http://sl-light.ru/design/img/upload/file/85337027581.pdfIn PDF document text
- https://www.frontieregypt.com/sites/all/libraries/ckfinder/userfiles/files/10560011621.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=love+me+like+you+do+ringtone+for+androidPDF 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_off0000dbf1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBF1 | 10856 bytes |
SHA-256: cce97ab31fce2c61e7ab91bfc00b217eff86562a31ce90b1f47785074c14acd0 |
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font_01_sfnt_off0000f4cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4CB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010cdd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CDD | 18116 bytes |
SHA-256: 0327b5bd3a8f64ecc6d6a32acb4dcd165c7f06d92950d464e4774eb477877bda |
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