MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Several heuristics indicate the document functions as a link farm, directing users to compromised CMS uploads and disposable hosting sites. The embedded URLs, while some are marked benign, are part of a larger pattern of redirection to potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
Heuristics 6
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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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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://autoservizimensi.it/images/fck/file/12320638970.pdf In PDF document text
- http://pincesorvarshop.hu/editor_up/43903674732.pdfIn PDF document text
- http://security-m.jp/tool/images/file/15123996665.pdfIn PDF document text
- http://saltokisport.com/uploads/files/30206590257.pdfIn PDF document text
- http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161303762c0136---robakojipu.pdfIn PDF document text
- http://www.udelimpa.es/ckfinder/userfiles/files/xegoginubinus.pdfIn PDF document text
- https://www.ftha.org/admin/ckfinder/userfiles/files/fumuwazewevonajaxomedibi.pdfIn PDF document text
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131d6c8219c1---mikubelubivosisupov.pdfIn PDF document text
- http://tiramisu-o.com/yamituki-n/uploads/files/22520725787.pdfIn PDF document text
- http://cungcapbaoduongcuanhatban.com/upload/files/77644571956.pdfIn PDF document text
- http://studiolaviano.it/userfiles/files/zakukaxamesi.pdfIn PDF document text
- https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/e8074b31ecbed75fc4783cd3658c698d/59448221842.pdfIn PDF document text
- https://tagoproperties.com/ckfinder/userfiles/files/86685165207.pdfIn PDF document text
- https://imihwa.com/uploads/image/20210905/files/20210905013609.pdfIn PDF document text
- http://peneleos.pl/userfiles/file/93364665326.pdfIn PDF document text
- https://alley.52886.tw/uploads/files/82482061474.pdfIn PDF document text
- https://btegypt.com/file/femirojuni.pdfIn PDF document text
- http://spiregene.com/image/files/20210912_025006.pdfIn PDF document text
- http://speednewslive24.com/assets/ckfinder/core/connector/php/uploads/files/gikivevaz.pdfIn PDF document text
- http://coumert.com/images/file/53002149705.pdfIn PDF document text
- https://atrax.eu/userfiles/file/najuxememef.pdfIn PDF document text
- https://thegioidongphuc.net/ckfinder/userfiles/files/78196658455.pdfIn PDF document text
- http://cnwt.mgo.cool/upfile/files/2021/09/10/64880485557.pdfIn PDF document text
- http://ceroki.com/image/files/11978972081.pdfIn PDF document text
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613b910a766ca---kiwuxelakidesugumelasoz.pdfIn PDF document text
- http://textingrights.com/userfiles/files/89213656009.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=angioid+streaks+retinaPDF 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_off0000d689.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD689 | 10452 bytes |
SHA-256: 5f304ca709f393ef6909e4e037bcaabc2f646a523cd9dcdd3d2105c2c14a8e33 |
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font_01_sfnt_off0000ee3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE3B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001064d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1064D | 18012 bytes |
SHA-256: 0500d6ea9d33964c770e115db0180a5ce7584e1329b0e62ba34d7b8209da38dd |
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