MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple compromised CMS upload locations, likely for phishing or malware delivery. The presence of numerous external URIs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic strongly support this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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 https://associazionedynamica.it/uploads/file/45156276517.pdf
- https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/f0itjtp5vq8uhirt6ikq2ne5or/nitisutinira.pdf
- https://www.truegridpaver.com/wp-content/plugins/super-forms/uploads/php/files/614cf2fe09c5972dad91ba8d6c762bbb/lonaxikekusisopafobut.pdf
- http://gerd-pollak.de/userfiles/file/38692378250.pdf
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4b86e83416---nilaz.pdf
- https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/9878b1ef0f7c59fb55ea33b59403eb4d/titurabajesa.pdf
- https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/tlo8rv2cj8shfurkvkhpmuuf3q/9964556982.pdf
- https://burstallconrad.com/editor_files/file/pedukuluwosavagoxas.pdf
- https://bancodevida.com/bancodevida/admin/images/image/file/xopojomivawaxexo.pdf
- https://marblobathware.ph/app/webroot/img/files/65026026410.pdf
- http://automsystem.com/UploadFile/file/20210507204703701.pdf
- https://ukmriptek.org/codeIgniter-hmvc/userfiles/files/12651363813.pdf
- https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb0182e873---kusozaz.pdf
- https://lightspec.ca/wp-content/plugins/super-forms/uploads/php/files/ed60bc93d165fd369123ab1692e3eb2c/88255651204.pdf
- https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/camv7814k0nhunj9fm0e0978m6/11543916113.pdf
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca86e83db4---rovirimo.pdf
- http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/16085bb9a98877---30362996575.pdf
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2a3413f4fe---dixetin.pdf
- https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a4a37fdffd5---pojafenadivuvozezi.pdf
- https://pypconsultores.mx/userfiles/file/silagibupinupawijuteleda.pdf
- http://sansboundaries.com/clients/f/fd/fde0d4b6b324343791c5f0705b221951/File/benalunujotiwulizo.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=brahmacharya+in+english
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00012f7f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F7F | 16792 bytes |
font_01_sfnt_off00014796.bine1c2a6bd4e43a993403441972f279c4c79290c0cb4d464f97f0c237fd5685724 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14796 | 10624 bytes |
font_02_sfnt_off00015fb2.bin58faaf66582171fed4462cda717e57b792c6f37d39f3489295a8a13b790c053c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15FB2 | 21036 bytes |
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