MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm hosted on compromised CMS upload directories, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were directly extracted, the PDF structure and embedded URLs point towards a lure to download content, likely malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9939
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://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614d079b9810b---91117003664.pdf
- http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1614f19fd5b7dd---teliferifidaxajesutewuto.pdf
- http://tnslib.tools/userfiles/files/55802473392.pdf
- http://net-marketing.hu/images/files/xebanolesanutivimalegu.pdf
- https://roarmysecurity.ro/mm/file/45381048344.pdf
- http://telesson.net/_UploadFile/Images/file/55914792088.pdf
- http://nakamurasangyou.jp/app/webroot/uploads/files/10994671403.pdf
- https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16143c6dd39375---45512488419.pdf
- https://broadcasthub.com/ci/userfiles/files/41413134179.pdf
- https://afmiletisim.com/resimler/files/45038051611.pdf
- https://baglab.pl/galeria/file/xetapamifegaxasijaxikomi.pdf
- http://ahcxdq.com/uploads/file/162154065282.pdf
- http://monikaknoblochova.com/userfiles/file/gupodazebubamef.pdf
- http://coral-travel66.ru/admin/ckfinder/userfiles/files/36770193583.pdf
- http://lactopad.com/uploads/files/23445158831.pdf
- https://tinhhoaxanh.vn/userfiles/file/49490581676.pdf
- http://changrung.com/ckfinder/userfiles/files/pojufusejeleso.pdf
- https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/bc733c9dc0335b5d55ead527f00a24e7/31191992710.pdf
- http://ros-audit.com/i/up/file/8553099668.pdf
- http://pereplanirovkaoblast.ru/pict/file/40021822081.pdf
- http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16135e9b97e8fd---bafuvugaf.pdf
- http://xn----7sbbbizu2bxaod.xn--p1ai/userfiles/file/ralizevememuwutojawevo.pdf
- https://aneri12.eu/res/file/7777243500.pdf
- http://doingthing.com/downloads/blog/geust/files/salabaroferizoboda.pdf
- https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/is19ame49jsr2o61ecjb6vddvd/redojojoxiw.pdf
- http://studiospazioambiente.it/userfiles/files/42397583807.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=latest+version+of+mobdro+for+firestick
- 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_off0000ba6c.binac0c41b373e0b6afd631da140c8944cc231dfeac33ecc1e57fe3bc58d20542b0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA6C | 10848 bytes |
font_01_sfnt_off0000d382.bin7b5b29af4615d914b44fa7ddc13d11719752e771a31073173f8f606bb8513a09 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD382 | 19044 bytes |
font_02_sfnt_off000104d3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104D3 | 16792 bytes |
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