MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and numerous external URIs, many of which are hosted on compromised or disposable domains, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly suggest malicious intent, likely involving the exploitation of PDF vulnerabilities to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://irlanc.ru/uplcv?utm_term=sms+bomber+apk+free+download PDF link annotation
- http://ricarda-allegra.de/userfiles/file/sixifukasadasosikajodej.pdfIn PDF document text
- http://artvideo74.ru/upfiles/files/xajev.pdfIn PDF document text
- http://steakpluspizza.us/userfiles/file/57703982099.pdfIn PDF document text
- http://xn--dlek-5qa.com/admin/UserFiles/file/70642808547.pdfIn PDF document text
- https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613116e61e24f---selurilinofib.pdfIn PDF document text
- http://theponghop.com/upload/files/27629599022.pdfIn PDF document text
- https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/489c7fe2da4b9914a4f4360dee220e73/239852505.pdfIn PDF document text
- https://honkakuji.jp/honkakuji/images/ckfinder/files/59364247075.pdfIn PDF document text
- https://elnativocoffee.com/silver/upload/files/fetuvafux.pdfIn PDF document text
- http://szguilong.com/userfiles/files/91939111616.pdfIn PDF document text
- http://ameshamagazine.com/js/upload/files/50830023967.pdfIn PDF document text
- http://wawa757.com/uploads/files/puzuwowuso.pdfIn PDF document text
- https://pixel.bg/img/file/58406721802.pdfIn PDF document text
- https://uleshuzataruhaz.hu/files/file/26588019456.pdfIn PDF document text
- http://xn--3e0b556bhrbowi6undva.com/ckupload/files/suvufaxila.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133d43d583a5---78856733968.pdfIn PDF document text
- https://hargagila.com/uploads/image/files/bixopejasosexolevil.pdfIn PDF document text
- http://szguilong.com/userfiles/files/kusakutisi.pdfIn PDF document text
- http://talleresjpg.es/img/file/95441630471.pdfIn PDF document text
- http://yomamasushitogo.com/uploads/files/durati.pdfIn PDF document text
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613261c1c8663---35519264202.pdfIn PDF document text
- 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_off0000dc05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC05 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f417.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF417 | 17756 bytes |
SHA-256: 93a634ae0f9229fe1311b54fe6fb82e275d88bd951e74bce6662ecfa947aea26 |
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font_02_sfnt_off000121ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121EC | 10860 bytes |
SHA-256: 98832ca6850331104e4f305281a7927f4ee6d8274d8cc1bc1f71153cea1cc0ca |
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