MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link to a known malicious redirector, indicating an attempt to lead the user to a harmful site. The document body, though heavily corrupted, suggests a lure related to file translation. The presence of embedded URLs and the ML classifier's high confidence score further support a malicious classification. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 5
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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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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://dafemum.ru/award?keyword=traducir+archivo+pdf+de+aleman+a+espa%25C3%25B1ol In PDF document text
- https://static.s123-cdn-static.com/uploads/4451049/normal_5fec28c649c38.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446914/normal_6056bfef683ee.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4380863/normal_5fdfbb762df7e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4451549/normal_6022089ccb2cb.pdfIn PDF document text
- http://tonimaxuta.iblogger.org/20046086184.pdfIn PDF document text
- http://kigadotezolesun.mypressonline.com/circuit_switching_and_packet_switching.pdfIn PDF document text
- http://nunobuzipame.medianewsonline.com/vigesopopu.pdfIn PDF document text
- http://sozapemogoz.mygamesonline.org/naive_bayes_classifier_book.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4459029/normal_6007ae5fb1822.pdfIn PDF document text
- http://tizedamini.iblogger.org/55700143171.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4470826/normal_5ff3255fabe5d.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/wanasuvedigo/vavonexiletogididusorezo.pdfIn PDF document text
- https://0a3c8164-ddd9-4522-8472-457ce31ece15.filesusr.com/ugd/d32f78_02143c0321ae4bfaa139d9f3f76d57e2.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/jotogorurekuro/genaxekimizuzapofovema.pdfIn PDF document text
- https://s3.amazonaws.com/sirilagewuga/actively_learn_romeo_and_juliet_answers.pdfIn PDF document text
- https://0926596c-b1e6-4473-87d6-fed2e709bfeb.filesusr.com/ugd/e2a635_e41da0357ce74cf5a21740e93a52766b.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/xomepixo/division_worksheets_for_7th_grade.pdfIn PDF document text
- http://norilonabu.epizy.com/tuzubipolelipakugaz.pdfIn PDF document text
- https://044ec7df-721b-4788-b209-87474a3fcb06.filesusr.com/ugd/60ffa2_49d51abb1f8a42be98e81b7762a780cc.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zuguvoxoki/cormoran_strike_career_of_evil_review.pdfIn PDF document text
- https://b5526579-b22d-45a0-8251-9885a72cf3eb.filesusr.com/ugd/0cd019_08079182991a45c3815e57b561e59858.pdf?index=trueIn 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_off0000ee4d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE4D | 5616 bytes |
SHA-256: ba202f02e1e5b90a395b1298f15ed3578ba10a56302104fc22e36bc08dedae06 |
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font_01_sfnt_off000100ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100FF | 12348 bytes |
SHA-256: e743d75f81d1bbeb58a2882e12eb770ea8a0aa732e0063710943b7bf39ba27ed |
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