MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a phishing lure. It contains numerous external URIs, with one specifically pointing to 'inwebjor.ru/uplcv?utm_term=account+unlock+apk+download', suggesting a potential attempt to trick users into downloading an application or visiting a malicious site. The document's structure, being image-heavy with minimal text and a click-outward action, reinforces its role as a deceptive lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 1 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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 https://inwebjor.ru/uplcv?utm_term=account+unlock+apk+download PDF link annotation
- http://local-minicab.com/survey/userfiles/files/tiguxaga.pdfIn PDF document text
- http://fuguchair.com/upfolder/e/files/20210905092018.pdfIn PDF document text
- http://myredm.ru/uploads/file/23798353232.pdfIn PDF document text
- https://rajaunited.com/contents/files/wuwematox.pdfIn PDF document text
- http://hanasushichoice.com/uploads/files/88688157267.pdfIn PDF document text
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16140f2421376a---toxirale.pdfIn PDF document text
- http://myucpb.com/userfiles/file/memetusaxadisizefutexuzu.pdfIn PDF document text
- https://gozdekadife.com/resimler/files/mapilufo.pdfIn PDF document text
- http://gd-weimi.com/upfolder/e/files/20210911061539.pdfIn PDF document text
- http://hanleyresources.com/images/59140127764.pdfIn PDF document text
- https://pacpartner.net/images_client/imagesfile/forimup.pdfIn PDF document text
- http://fcgo.tw/uploadpic/files/pipinuwelab.pdfIn PDF document text
- http://artgrafika.cz/userfiles/file/vadalesif.pdfIn PDF document text
- http://np-laser.com/upload_fck/file/2021-9-13/20210913174144896085.pdfIn PDF document text
- http://abwfinlay.com/uploads/files/13161482225.pdfIn PDF document text
- http://lamay.de/userfiles/file/nimekasedovin.pdfIn PDF document text
- https://www.sesc-am.com.br/Selecao/ckfinder/files/5136723557.pdfIn PDF document text
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613f10eb717c0---48426193888.pdfIn PDF document text
- http://residencecarlofelice.com/userfiles/files/31506652833.pdfIn PDF document text
- https://ozmutludokum.com/userfiles/file/75569795317.pdfIn PDF document text
- http://opusbiz.kr/data/editor/file/413844568613db961e7bf2.pdfIn PDF document text
- http://elai.kz/upload/2021/09files/210912064553309314xl1gv.pdfIn PDF document text
- http://caminodesantiagoenmoto.com/assets/ckfinder/core/connector/php/uploads/files/donigotipomud.pdfIn PDF document text
- http://cnwt.mgo.cool/upfile/files/2021/09/14/fekite.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_off0000b207.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB207 | 10276 bytes |
SHA-256: 717ae4563ea1787aa5ce9f461c68685817229d387f39d276cc241baac2f1096a |
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font_01_sfnt_off0000c95f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC95F | 14444 bytes |
SHA-256: e5532f1ee8192e7c097697c8ff141d5baee468dc1fe9dee05188f807eabd958d |
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font_02_sfnt_off0000ee08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE08 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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