MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics indicate the PDF functions as a link farm, directing users to multiple compromised or disposable hosting sites. The embedded URLs, such as 'https://crysiq.ru/uplcv?utm_term=android+save+contacts+to+sim+card', suggest a lure to potentially phishing or malware download sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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 https://crysiq.ru/uplcv?utm_term=android+save+contacts+to+sim+card PDF link annotation
- http://mopron.ru/upload/files/gupuvuma.pdfIn PDF document text
- http://travelci.ru/ckfinder/userfiles/files/natugugel.pdfIn PDF document text
- https://felicityokolo.com/file/fawobesugopekelija.pdfIn PDF document text
- http://sonnenheizungen.ch/fckeditor/editor/images/file/15925818357.pdfIn PDF document text
- https://bio86.net/userfiles/fichiers/20551222497.pdfIn PDF document text
- http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/161348366bf768---mibukifapimolinab.pdfIn PDF document text
- https://nevjegyzek.eu/uploads/file/lopamitadubetugupu.pdfIn PDF document text
- http://ttccid.com/userfiles/file/lifudov.pdfIn PDF document text
- https://trungtamgiasuhcmmq.com/uplaod/quangtri/files/tesakutefap.pdfIn PDF document text
- http://www.naraihillgolf.com/admin/userfiles/file/19944389830.pdfIn PDF document text
- http://asavn.vn/uploads/userfiles/files/wuzate.pdfIn PDF document text
- https://sharmtocairo.com/userfiles/files/vamalifu.pdfIn PDF document text
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ca68750673---vitenosidaxojesenusov.pdfIn PDF document text
- https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/93655bd1bcff86a29bffcbd416567f12/devozoxe.pdfIn PDF document text
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141b41258fdb---50380122075.pdfIn PDF document text
- https://egyptsuntours.com/userfiles/files/mokelu.pdfIn PDF document text
- http://autoscuolecasetta.it/userfiles/files/11674960715.pdfIn PDF document text
- http://chemonova.com/FCKeditor/file/sinukifa.pdfIn PDF document text
- https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/d37d8e06ec1abace9e6c708a5ce78d02/pifiwisuv.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142e857ab3ee---zawija.pdfIn PDF document text
- https://sakura-bashi.com/uploads/files/202109112107249962.pdfIn PDF document text
- http://easyreturn.store/userfiles/file/xasuguved.pdfIn PDF document text
- http://centroolosprato.it/userfiles/files/zogaduwidodikuvuna.pdfIn PDF document text
- http://vuonlan.vn/data/upload/files/29718889696.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://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_off0000e67e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE67E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fe95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE95 | 10532 bytes |
SHA-256: fb713574e8cd5be308762f9c623985214f833d8563a51e0b282f5934dd58107c |
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font_02_sfnt_off00011697.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11697 | 17616 bytes |
SHA-256: 61986e2fff0c2ca075e1bfd4d00ed7bb9fdf8437eb2b97d4cc54835f64de04f8 |
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