MALICIOUS
324
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1566.002 Spearphishing Link
T1059.007 JavaScript
T1190 Exploit Public-Facing Application
T1204.002 Malicious Link
This PDF document impersonates a Facebook login recovery page to phish for user credentials, including one-time codes or recovery phrases. It contains multiple embedded URLs, with https://crophysi.ru/strik?utm_term=facebook.com+login+recovery being a primary indicator of the phishing lure. The document's structure and embedded links suggest it is designed to exploit user trust by mimicking legitimate recovery processes.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
Heuristics 8
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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 links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Recovery secret / private key request critical SE_SECRET_RECOVERY_LUREDocument requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
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MFA / one-time-code harvesting lure high SE_MFA_LUREDocument asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
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Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://crophysi.ru/strik?utm_term=facebook.com+login+recovery.
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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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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://crophysi.ru/strik?utm_term=facebook.com+login+recovery In PDF document text
- http://zixaxagewan.mypressonline.com/11554386621.pdfIn PDF document text
- http://jemulobapamiwu.mywebcommunity.org/free_printable_alphabet_letters_upper_and_lowercase_with_pictures.pdfIn PDF document text
- http://namabal.scienceontheweb.net/autocad_3d_free.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4486566/normal_5fcd8c7c9c12f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4391898/normal_6015b6a7ed306.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4385612/normal_5fc841fd98378.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388825/normal_6044d641e3ce8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4495409/normal_6051262cb1e45.pdfIn PDF document text
- http://letabumo.getenjoyment.net/piwisitomebaneno.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://a3c35cc3-4a3f-4d41-ab51-8b3e4b114d30.filesusr.com/ugd/2b25b5_e38ddf5ae3ed4c1089f14e7438090c9b.pdf?index=trueIn PDF document text
- http://kofaxafogi.myartsonline.com/firirulopisis.pdfIn PDF document text
- https://1b65b899-5fad-42bd-af9e-a3fb1d6a4c80.filesusr.com/ugd/a2ebd8_2224e5a486aa459f806601a4d5a88ca3.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/tesasubawalozan/caciano_kuffel_livro.pdfIn PDF document text
- https://s3.amazonaws.com/woneketelak/sekadugipinafexat.pdfIn PDF document text
- http://rupesujutiwu.myartsonline.com/77109861998.pdfIn PDF document text
- https://535f918c-e50e-4760-9dbe-4b22a9cc1357.filesusr.com/ugd/65883d_c6f3f2f6ef234b839703d01e1ff6cd46.pdf?index=trueIn PDF document text
- https://4868a29a-6d77-448d-a9c5-bc5c6a1713c3.filesusr.com/ugd/060e50_ba863e0e729444df931f96e86558a922.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/tosevud/vaxutizazimenasagamuded.pdfIn PDF document text
- https://694dae7a-2033-4a59-8b06-91ff4eec0774.filesusr.com/ugd/e1d58f_d213f2d9569d43a29737a371eb0f9d36.pdf?index=trueIn PDF document text
- http://bugazepoja.onlinewebshop.net/mathematical_expectation_problems_with_solution.pdfIn PDF document text
- https://ba9dc33f-61c2-415e-8598-c57272458a21.filesusr.com/ugd/c05727_cb6ec5979d744f449eb58f816d316ad6.pdf?index=trueIn PDF document text
- https://5e9816b5-e261-4a84-a5c7-594b6999e1c8.filesusr.com/ugd/eb2f7d_8882385a816649ee917c8fcc677a322e.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/jixeremipet/33473115776.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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001075b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1075B | 5292 bytes |
SHA-256: a000ff0c848088ef85134af5727dfb2b314a1b8476575e21b8c16f97750fe09a |
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font_01_sfnt_off00011962.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11962 | 11188 bytes |
SHA-256: e8b34229c3802062cff107addd896cdd529247569103d2e5659a5595f186902a |
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