MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous embedded URLs pointing to potentially compromised or disposable hosting sites. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure suggests an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
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://nasikampung.info/contents//files/duloninoxe.pdf In PDF document text
- https://www.retake.dk/ckfinder/userfiles/files/78375530400.pdfIn PDF document text
- http://trongtinpc.com/luutru/files/sudimotovoxarekonav.pdfIn PDF document text
- https://swalaya.in/userfiles/file/sotavepedamisunigino.pdfIn PDF document text
- http://mosjob.ru/images/file/93272139498.pdfIn PDF document text
- https://gabinetpro.pl/kosmetyczka/krakow/files/89803069469.pdfIn PDF document text
- http://inlovehuahin.com/file_media/file_image/file/betetijevowo.pdfIn PDF document text
- http://ambvetfanini.eu/userfiles/files/97114138524.pdfIn PDF document text
- http://kaowei.tw/image/files/20210526_182351.pdfIn PDF document text
- http://xn--80aafkqcanfpgnhbng3b5i9a.xn--p1ai/pict/file/koxukege.pdfIn PDF document text
- https://demetraproject.eu/ckfinder/userfiles/files/muguzebepuxo.pdfIn PDF document text
- http://3bbb.fr/ckeditor/upload/files/rexazunanij.pdfIn PDF document text
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b728bc94bf---34193192576.pdfIn PDF document text
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160b65bfb8b012---59378960966.pdfIn PDF document text
- http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9c5af56ae8---60562970162.pdfIn PDF document text
- http://www.look4job.gr/images/_user_na/file/pesezabajodem.pdfIn PDF document text
- https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16106a1171c5ac---vakixuzuwikopojojilito.pdfIn PDF document text
- https://haidangpc.com/contents/files/bokatovegosudipux.pdfIn PDF document text
- http://sivam.pl/files/file/91906347841.pdfIn PDF document text
- http://master-br.ru/img/file/gexekozodurixiwodiras.pdfIn PDF document text
- https://matrainagycsalados.hu/userfiles/file/66322613983.pdfIn PDF document text
- https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160d45d17bbde9---xisotojazo.pdfIn PDF document text
- https://www.litesourcenc.com/wp-content/plugins/super-forms/uploads/php/files/d71a6dd4c659ae931092d4bf32eddd10/sesoka.pdfIn PDF document text
- http://energy-labels.com/userfiles/file/pukaguranawox.pdfIn PDF document text
- http://arebiatours.com/uploads/files/50199029777.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=cover+page+ppt+templatePDF 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_off000106e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106E3 | 18268 bytes |
SHA-256: f8f1f118cedd1f8d98bfe9c3c4afbccd849624982056d0a51cca4ad82ff0f414 |
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font_01_sfnt_off00013696.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13696 | 10328 bytes |
SHA-256: fe5181f40a7a7d0aaba2b9c731856ea43c72e89b3b0bfffc77f7a2d35eacad06 |
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font_02_sfnt_off00014dfb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14DFB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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