MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous links to external PDFs hosted on various domains, with one heuristic specifically flagging it as a link farm on disposable hosting. While no scripts were explicitly extracted, the presence of embedded URLs and the nature of the heuristics suggest a phishing or malware distribution attempt, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9929
Heuristics 5
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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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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://clinivetmadonnadirosa.eu/userfiles/files/zukegabugelib.pdf In PDF document text
- http://teamwork-poetschke.com/ckfinder/userfiles/files/4908778192.pdfIn PDF document text
- https://bccphil.paramedix.biz/uploadfiles/file/gajif.pdfIn PDF document text
- http://cartopack.be/Images/file/49714779153.pdfIn PDF document text
- http://sswjeans.com/files/55125736858.pdfIn PDF document text
- https://artedelvalle.cl/gal/files/file/wejij.pdfIn PDF document text
- https://atlaskvartir.ua/data/uploads/files/10264945188.pdfIn PDF document text
- http://aviteksural.ru/admin/ckfinder/userfiles/files/70385575622.pdfIn PDF document text
- https://deltaguvenlik.net/userfiles/file/bowusexatowovamibo.pdfIn PDF document text
- http://netichikawaya.com/userfiles/file/13548008616.pdfIn PDF document text
- http://dialogueinpraxis.net/files/docs/loxagakamemi.pdfIn PDF document text
- https://proxkimya.com/resimler/files/takadirolagudurolake.pdfIn PDF document text
- http://speakingaboutnetworking.com/ckfinder/userfiles/files/67576543856.pdfIn PDF document text
- http://wingmanplanningdemo.com/userfiles/files/xukidosuri.pdfIn PDF document text
- https://thefertilizerproductionline.com/d/files/gotiwapubovu.pdfIn PDF document text
- http://sxhk365.com/uploads/file///pibamofuvo.pdfIn PDF document text
- http://villahetzwartepaard.nl/survey/userfiles/files/buneda.pdfIn PDF document text
- http://greenhere.cn/upload/ckimg/files/202109091257029920.pdfIn PDF document text
- https://tannhatviet.vn/upload/files/1754261505.pdfIn PDF document text
- http://wabasnb.com/files/fckeditor/file/160058485861331689cca42.pdfIn PDF document text
- https://szabobuszrendeles.hu/files/files/kevufepavazozimede.pdfIn PDF document text
- http://gizmakina.com/depo/sayfaresim/file/mowovaxulipizo.pdfIn PDF document text
- http://xn--ob0bjxt9h99icicrvkksa421cwwp7hiv4d6a.com/ckfinder/userfiles/files/mezegotududuvikunamavi.pdfIn PDF document text
- http://xn--2-140-swe8h.xn--p1ai/files/45426703876.pdfIn PDF document text
- http://orderbestwings.com/uploads/files/66883455972.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=idioms+in+english+pdf+downloadPDF 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_off00010213.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10213 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011a25.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A25 | 17644 bytes |
SHA-256: e626b4bf3ec9dacd00647a3bce6724067a00a8adee6efba2549da2e9a578ee99 |
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font_02_sfnt_off0001479c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1479C | 10784 bytes |
SHA-256: 088db43ce334cb6ad47e65b2b8f65695b1c2a233d9f2c6b2416a0616f37137cb |
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