MALICIOUS
246
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
T1059.007 JavaScript
This PDF file exhibits characteristics of a phishing lure, specifically impersonating Facebook to trick users into clicking malicious links. The presence of a large number of external links, many pointing to disposable domains, suggests a link farm designed to redirect users to potentially malicious sites. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for credential harvesting or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 7
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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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Brand-impersonation credential phishing lure critical 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: action link to abused redirector https://gorejirulikem.weebly.com/uploads/1/3/4/7/134738880/doxupe-xebanabo.pdf.
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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://kuzutuzo.ru/strik?utm_term=doubledown+casino+free+online+slots PDF link annotation
- http://tamakar.tech/wintercroft_freeqslgw.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4427095/normal_600d03aaa2e96.pdfIn PDF document text
- https://gorejirulikem.weebly.com/uploads/1/3/4/7/134738880/doxupe-xebanabo.pdfIn PDF document text
- https://xugubevowasisof.weebly.com/uploads/1/3/4/8/134885616/e8ba56a48.pdfIn PDF document text
- https://cdn.sqhk.co/kulobibab/gdgjrhd/29095295731.pdfIn PDF document text
- https://keladita.weebly.com/uploads/1/3/0/7/130739570/5131525.pdfIn PDF document text
- https://cdn.sqhk.co/vuvupewog/pRhghfO/voxuxojanevatupovid.pdfIn PDF document text
- https://xomivevisavuwog.weebly.com/uploads/1/3/4/8/134852088/ce5da36.pdfIn PDF document text
- http://useraisins.pro/kupijafofizevuwiwagubuzq2ynn.pdfIn PDF document text
- https://xuredetinumimo.weebly.com/uploads/1/3/4/6/134630251/zevuxupa.pdfIn PDF document text
- http://kumujobu.iblogger.org/bomber_friends_3._54_mod_apk.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4495264/normal_5fe4420116233.pdfIn PDF document text
- https://cdn.sqhk.co/vumorumuvogi/gvx4UIc/funny_parenting_tips_for_infants.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4386607/normal_5feaf428ca972.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://sesumedafe.epizy.com/41268405609.pdfIn PDF document text
- https://f6ce3cfb-f922-470c-9e0e-eaf724001b0e.filesusr.com/ugd/defcb2_69180236a37c4657a825162959126472.pdf?index=trueIn PDF document text
- https://f3874c2d-c116-49c2-b7b6-9300dc8fc43e.filesusr.com/ugd/b11f6d_460fdc1e79b64d20865d65bbfb3c47a4.pdf?index=trueIn PDF document text
- http://zonadomafi.rf.gd/defegovifosonufejawu.pdfIn PDF document text
- https://e082b6be-64c0-45f6-a8ff-82b9c6f476f0.filesusr.com/ugd/1479de_1a4f12b088e644c3971cc9f3d6618aea.pdf?index=trueIn PDF document text
- http://ketaxesam.epizy.com/agricultural_economics_and_farm_management_book.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_off0000e69f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE69F | 5244 bytes |
SHA-256: 66d7dd30681d104e55e36ea7542248efece3a148a336f2ac6dd20ddba387a262 |
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font_01_sfnt_off0000f893.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF893 | 11548 bytes |
SHA-256: 7429528962ecd06d8c473b063da92f7cb0c92e4819ae9874293c34a6ef2cd27a |
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