MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains embedded JavaScript and multiple external URIs, one of which points to a suspicious domain ('sh-songshi.com') that is likely part of a link farm. The embedded JavaScript is likely used to redirect the user to malicious content or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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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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 http://sh-songshi.com/admin/upimg/file///gilewabotabu.pdf In PDF document text
- http://szilasfood.hu/pic_upload/files/82120432177.pdfIn PDF document text
- https://jck.ro/userfiles/file/kegezik.pdfIn PDF document text
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/16132ef4f8cee9---48294820571.pdfIn PDF document text
- http://etkenkalip.com/files/logotoxogidufozevaze.pdfIn PDF document text
- https://alcoolassistance-creuse.net/www/site/js/ckfinder/userfiles/files/8540997002.pdfIn PDF document text
- http://mitchelllawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/41763880595.pdfIn PDF document text
- http://nexxosrealty.com/userfiles/files/mupigokolutuvu.pdfIn PDF document text
- http://packamate.com/userfiles/7059533101.pdfIn PDF document text
- http://thamcohoaian.com/webroot/img/files/51837703234.pdfIn PDF document text
- https://bahceneryaman.net/public/content-images/files/72253652137.pdfIn PDF document text
- http://arrhythmiaclinic.com/userfiles/file/20210907142715.pdfIn PDF document text
- http://ukrainski-rosyjski.pl/userfiles/file/tikuzatelomuta.pdfIn PDF document text
- http://kazuma.ru/ckfinder/userfiles/files/96140706313.pdfIn PDF document text
- https://intersensor.ro/v2011/Files/fck_upload/file/kunupoxewizonaka.pdfIn PDF document text
- http://msinziniering.com/userfiles/file/13782201238.pdfIn PDF document text
- https://debo-fit.be/userfiles/file///52514202244.pdfIn PDF document text
- http://findusafranchise.com/files/files/rinurizuxu.pdfIn PDF document text
- https://www.leadercaravans.com.au/application/third_party/ckfinder/userfiles/files/kifaruvew.pdfIn PDF document text
- https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16139421f89ee9---65387873138.pdfIn PDF document text
- http://eko-inwest.eu/upload/file/pufujoxupufis.pdfIn PDF document text
- http://methese.com/upload/files/80303846295.pdfIn PDF document text
- http://interstyle.org/content/xuploadimages/file/baxejovakipototugowibizix.pdfIn PDF document text
- http://v-lukomorie.com/uploader/files/84844504003.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=getting+started+with+advanced+c%23+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_off0000d4fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4FE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ed10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED10 | 18224 bytes |
SHA-256: b416ee1540fe8d4a13f641b99bb8aa45da34cd4eb0f7dcbc984366f80f3f2781 |
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font_02_sfnt_off00011c01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C01 | 10676 bytes |
SHA-256: 29fbb22aea554e3f2d8ccc0863da952a67e81d7d542069ce0469ebae6a4fe948 |
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