MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by a ML classifier and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to compromised CMS upload storage or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of 'utm_term=apkcombo+installer+apk' in one URL suggests a lure for downloading potentially unwanted or malicious applications.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
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://ilonew.tasksplan.com/ckfinder/userfiles/files/zukesuguzupi.pdf In PDF document text
- http://fantasymusic.it/userfiles/files/68275115064.pdfIn PDF document text
- http://dalhousieretreat.com/cote_dor_import/admin/ckfinder/userfiles/files/xexaponagupelek.pdfIn PDF document text
- http://skpizzasubs.com/uploads/files/nemidibexumotijeka.pdfIn PDF document text
- http://mydreamtuscanwedding.com/editor_up/gidazotule.pdfIn PDF document text
- http://tzoetemondje.be/uploads/files/punitutiworuwubiwipiju.pdfIn PDF document text
- https://vegan-eshop.cz/data/file/21337198099.pdfIn PDF document text
- http://hueide.com/upload/files/lidipop.pdfIn PDF document text
- http://www.pvvc.cz/files/jogex.pdfIn PDF document text
- http://chernogolovka.inhome360.ru/admin/ckfinder/userfiles/files/42662645525.pdfIn PDF document text
- http://virtualcharityevents.com/vce_cake/files/files/lubavasotizeju.pdfIn PDF document text
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/1613e2eec8e5c9---sevutumuzej.pdfIn PDF document text
- http://expresskaliski.info/file/80948058040.pdfIn PDF document text
- https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/b04b8e7467bfcd2f45124f33f6aa807a/54108995178.pdfIn PDF document text
- http://thuexedanang247.com/uploads/image/files/vabunegorulokazi.pdfIn PDF document text
- http://veterina-hrib.cz/user-uploads/files/womakenarunijefugegara.pdfIn PDF document text
- https://er-cardiff.com/eurostyl/photos/file/91852837579.pdfIn PDF document text
- https://pametnidom.hr/pametne_kuce/userfiles/file/80360202334.pdfIn PDF document text
- http://hiredriver.com/uploads/assets/files/97266943312.pdfIn PDF document text
- https://parlagame.com/calisma2/files/uploads/regedituligo.pdfIn PDF document text
- http://holidayservicemarsala.it/userfiles/files/80674647505.pdfIn PDF document text
- http://lhdrum.com/User_File/UpFile/file/20210906035944_ODUwNjMzNTgzMA==.pdfIn PDF document text
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613afab71992f---kimebu.pdfIn PDF document text
- https://leo.tw/upload/ckeditor/files/wuwupe.pdfIn PDF document text
- http://dytac.hk/userfiles/61461999043.pdfIn PDF document text
- http://sensi-leszno.pl/userfiles/file/66708354715.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=apkcombo+installer+apkPDF 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_off0000c0c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC0C4 | 10748 bytes |
SHA-256: 9855d1b4080bebc493220018933e7d8f97c873c3eeffbaf8a6921019458fd61e |
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font_01_sfnt_off0000d940.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD940 | 19784 bytes |
SHA-256: b12655b7135b4571de9309223b291befaba27ccfa749dc3287d8530f812c5e69 |
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font_02_sfnt_off00010d72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D72 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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