MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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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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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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://midufefew.ru/strik?utm_term=literary+theory+and+literary+criticism+difference PDF link annotation
- https://static.s123-cdn-static.com/uploads/4374848/normal_5feb427fbdac4.pdfIn PDF document text
- http://vegofejolafud.mygamesonline.org/vowiwidefivutolusefojuwo.pdfIn PDF document text
- http://sudilufib.getenjoyment.net/gomumomurazuxumuwavejen.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4486034/normal_6006103f7a875.pdfIn PDF document text
- http://pubavamamuzagur.iblogger.org/2020_nissan_armada_owner_s_manual.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387050/normal_6011dd74da66d.pdfIn PDF document text
- http://votixibutiro.medianewsonline.com/libro_de_fisica_i_bachillerato.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4375528/normal_5fce512c81849.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366389/normal_5ffb5d754aa36.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://kenefokugoxetu.rf.gd/national_defense_academy_form.pdfIn PDF document text
- http://vetarobafawuk.epizy.com/context_clues_worksheets_multiple_choice.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ffc2ff84-e909-47dc-a48e-aeee92af0438/89965025353.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e86afb16-1a53-4896-927c-668af9d5355b/netajofavesiti.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9d62479a-e047-4485-bee3-f6d1be2b388f/cyberpunk_2077_review_gamespot_ps4.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1de8d367-d9d2-4acc-9e05-602db948d28e/ruzazir.pdfIn PDF document text
- http://tajinugedas.epizy.com/princeton_review_gre_books.pdfIn PDF document text
- https://5366dd3f-28a3-4342-b8e5-5bed86455aec.filesusr.com/ugd/a92322_905ddf8e50174d80a995a4c59cecc590.pdf?index=trueIn PDF document text
- https://8b83d164-5e56-46cc-b941-48f48810ddf3.filesusr.com/ugd/76ce43_9b0c83afcf1e4e1ebd3e6db59c95b701.pdf?index=trueIn PDF document text
- http://bufijonewufo.onlinewebshop.net/65166961992.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/88c65f44-ebb5-45a5-8083-36898c73447e/algebra_lineal_para_que_sirve.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8b691ac2-0699-4444-a410-d52bc233ecc8/relative_pronouns_exercises_esl.pdfIn PDF document text
- https://24218389-b518-4ca3-8548-65eaf758daa4.filesusr.com/ugd/c836c3_9d1c43be992e4363b2a26f2e8215b60d.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_off00011bcc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BCC | 5304 bytes |
SHA-256: 8bf74195f08417a236820db32ae221665c7858a73a55fd8a79fa00a73b767774 |
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font_01_sfnt_off00012db5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DB5 | 10564 bytes |
SHA-256: 28012667614ba44d8d13ad37ea84d62b7ffac319add68212543afd3b90eaf2a4 |
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