MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple compromised or potentially malicious websites. The presence of numerous links on disposable hosting and the use of 'utm_term' parameters suggest an attempt to obscure the true destination and potentially engage in phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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 http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/m0ue9skp10t3b2l5ot5eojuag4/69265360290.pdf In PDF document text
- http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/e99087d69cbcec57c43a1b350b6acea8/68375132960.pdfIn PDF document text
- http://curry-box-deluxe.de/userfiles/file/nesunugesokatepokobak.pdfIn PDF document text
- http://www.jindatunnel.com/up_files/file/90881769672.pdfIn PDF document text
- http://iglozawiercie.pl/zdjecia/file/giwupuwefigewaw.pdfIn PDF document text
- http://gourmethousemacau.com/UploadFilesfile///gofodixojupexitel.pdfIn PDF document text
- https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606fe708834c5---bositusojiwijekidane.pdfIn PDF document text
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16070ec703ec62---3807225188.pdfIn PDF document text
- https://accuratesearch.com/userfiles/file/popizavofulodem.pdfIn PDF document text
- https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/fldnp4dlmk9qgecqg2rm9h5f70/78737012408.pdfIn PDF document text
- http://toddfamilyreunion.com/clients/4/48/482e924d5a052aa4a0c13eb8a30e0bc8/File/mosukafonisuzulopisa.pdfIn PDF document text
- http://sunnysideclassof64.com/clients/a/ac/acc4ccb49d7935ca36198347b895393e/File/zikikuk.pdfIn PDF document text
- http://arcos-eff.it/userfiles/files/8384781891.pdfIn PDF document text
- http://cz-synergy.cz/data/file/mukerotemenuliz.pdfIn PDF document text
- http://tunesistudio.eu/userfiles/files/20557392085.pdfIn PDF document text
- https://ibeguiristain.com/userfiles/files/51002828811.pdfIn PDF document text
- http://gymostrov.org/gymostrov/userfiles/file/vesopibunezibuli.pdfIn PDF document text
- https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/ajuri8d986ltitsgibksjo4nmg/kurelorodexababud.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=hullabaloo+in+the+guava+orchard+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_off0000dff1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFF1 | 17760 bytes |
SHA-256: 17690bbc776f96c540432d7ab60132eeef44aaee02c7da44079359b81e9da8d1 |
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font_01_sfnt_off00010eb5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EB5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000126cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126CC | 11028 bytes |
SHA-256: 6e0880e344823a5574776a2856165ef148dceca46d8d2df2b1af60cb822eb669 |
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