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 ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS upload directories, characteristic of a link farm designed to redirect users. The presence of these links suggests an attempt to lead users to phishing sites or download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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://xaydunghoangthanh.com/img_duhoc/files/99136237337.pdf In PDF document text
- http://ooexperience.be/assets/Image/files/todunafojugi.pdfIn PDF document text
- http://lezeckastenakosice.sk/upload/files/zudadubizegufu.pdfIn PDF document text
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/c449ec781d1e4e102ab881dc0abbb2c8/71109454753.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d31778c2da---solowezimafurawadem.pdfIn PDF document text
- https://edex.co/userfiles/files/23563861989.pdfIn PDF document text
- https://eseninternational.com/uploads/files/zonivalotipezal.pdfIn PDF document text
- http://4x4autok.hu/userfiles/files/3104885984.pdfIn PDF document text
- http://www.valaisconsulting.ch/file/puxilotanirosojiwejapefa.pdfIn PDF document text
- http://dunajecbiala.pl/upload/File/77817287201.pdfIn PDF document text
- http://balatonfurediallatorvos.hu/userfiles/file/rirurizumesux.pdfIn PDF document text
- http://xn--hh0b97d8is16e.com/userData/board/file/tuxamava.pdfIn PDF document text
- http://www.huescalamagiaenfotos.com/userfiles/files/81606700717.pdfIn PDF document text
- https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/a210037bfe20731709b1b752da81c9a4/10359150881.pdfIn PDF document text
- http://groupelamiri.com/uploads/FCK_files/file/45736728603.pdfIn PDF document text
- http://xn--m1age8bh.xn--p1ai/files/file/11135260429.pdfIn PDF document text
- https://lingchuanfloor.com/app/webroot/userfiles/files/24600689288.pdfIn PDF document text
- https://www.colline-eternelle.com/ckfinder/userfiles/files/60927524067.pdfIn PDF document text
- http://ellissi.org/userfiles/files/17843864800.pdfIn PDF document text
- http://www.aportecnica.com/imagenes/editor/file/dugitof.pdfIn PDF document text
- http://ahaadesign-com-tw.sales-frontier.com/ckfinder/userfiles/files/41522360378.pdfIn PDF document text
- https://pyccenter.com/images/Upload/file/figixugivewu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=a+frozen+flower+full+movie+eng+sub+123moviesPDF 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_off0000b80c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB80C | 20232 bytes |
SHA-256: ab8fe6d083a87c1fa8f837316125e0bd8806bca4c5bf73ffbbc56959329f2077 |
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font_01_sfnt_off0000ed3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED3D | 11072 bytes |
SHA-256: 67ae92fb829644db33914ecf5242430029d218bd2f0887469fd0693f3466d5d9 |
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font_02_sfnt_off0001073d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1073D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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