MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Several heuristics point to the document functioning as a link farm, directing users to potentially compromised websites hosted on disposable domains or compromised CMS uploads. The embedded URLs, such as 'https://crewmak.ru/uplcv?utm_term=app+crashes+android+studio', are likely used to deliver further malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9820
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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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 https://crewmak.ru/uplcv?utm_term=app+crashes+android+studio PDF link annotation
- http://www.lifestaralberta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f9f5526634---firarezapelogevad.pdfIn PDF document text
- https://resonanceacteurs.nl/userfiles/file/kitirologen.pdfIn PDF document text
- http://lokalsport.no/userfiles/file/bozukerubijamusuwajabe.pdfIn PDF document text
- https://narellesastro.com/userfiles/files/89271049904.pdfIn PDF document text
- http://thaisomboonautopart.com/userfiles/files/51495056397.pdfIn PDF document text
- http://crisismobile.com/ckfinder/userfiles/files/76944802093.pdfIn PDF document text
- http://diysmart.net/userfiles/file/63474054134.pdfIn PDF document text
- http://aolisenjiancai.com/data/files/gogizu.pdfIn PDF document text
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138b90a7ed9f---25859562741.pdfIn PDF document text
- http://birizgardenhotel.com/userfiles/file/xaduwivodup.pdfIn PDF document text
- http://geodez.com/pliki/file/vigofonuwanugotigami.pdfIn PDF document text
- http://hataylezzeti.com/resimler/files/jekivu.pdfIn PDF document text
- http://air-ned.com/uploads/files/55960802310.pdfIn PDF document text
- http://spharma.ua/files/file/8896018980.pdfIn PDF document text
- http://jmestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/4781771462.pdfIn PDF document text
- http://naoshima-habitant.com/images/blog/file/28075720390.pdfIn PDF document text
- http://villalapinetafavignana.it/userfiles/files/47296313696.pdfIn PDF document text
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/bfe4ebd8262c89dbf1195b24dc57dee7/37088937855.pdfIn PDF document text
- http://epoxidice.ro/mm/file/38851314329.pdfIn PDF document text
- https://rsvforum.com/userfiles/file/65578627477.pdfIn PDF document text
- https://plasy.com/uploads/file/49027796663.pdfIn PDF document text
- https://rtvpuls.com/ckfinder/userfiles/files/8852686929.pdfIn PDF document text
- http://recit-de-vie.fr/userfiles/file/xovatoz.pdfIn PDF document text
- https://mountainbrookbuilders.com/home/mountain/public_html/ckfinder/userfiles/files/dopotezojadasabo.pdfIn PDF document text
- http://encino.kopanramen.com/uploads/files/16899911063.pdfIn PDF document text
- http://learnazia.com/fck/imagesfile/kirexujazudine.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_off0000fbe5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBE5 | 10648 bytes |
SHA-256: 58feef373fe42e5e30095c7cd5fded79af1968580e79e3726c361c58cd46837e |
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font_01_sfnt_off00011443.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11443 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012c55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C55 | 19320 bytes |
SHA-256: ebb76fa289ca00bac91e824c768f313d5de38c59de351f075cb1ba9001096f07 |
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