MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many pointing to disposable domains and redirectors, indicating a phishing or scam attempt. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' specifically flags a link to 'yafferge.ru' which is associated with malicious redirector infrastructure. The ML classifier and ClamAV detection further support the malicious nature of this file, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://yafferge.ru/wix?keyword=diary+of+anne+frank+act+2+study+guide+answers In PDF document text
- http://artrosil.xyz/wonuza9z6xl.pdfIn PDF document text
- http://kutegexuwudaro.getenjoyment.net/is_star_wars_bloodline_canon.pdfIn PDF document text
- http://sepibuzare.22web.org/tijiguxevoredoxiju.pdfIn PDF document text
- http://fredo.bike/25219293814yk8ig.pdfIn PDF document text
- http://storeplus.pro/administration_of_justice_in_nigeria2wey4.pdfIn PDF document text
- http://natlegend.space/54892731896kebit.pdfIn PDF document text
- http://kemamibuke.mygamesonline.org/did_the_mayans_play_basketball.pdfIn PDF document text
- http://gesakif.iblogger.org/triangle_congruence_test_answer_key.pdfIn PDF document text
- http://tofotibuwul.sportsontheweb.net/what_are_the_concepts_of_systems_theory.pdfIn PDF document text
- http://bighome.space/the_great_logo_quiz_answersst72z.pdfIn PDF document text
- http://pafekusiwajida.66ghz.com/crossfit_workouts_with_running_in_them.pdfIn PDF document text
- http://filanion.online/what_are_canadas_major_bodies_of_waterkmti7.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/tubupejevomo/68983374082.pdfIn PDF document text
- http://fexewon.rf.gd/26717405073.pdfIn PDF document text
- https://s3.amazonaws.com/lunojol/hinter_klugen_stzen_piano_sheet.pdfIn PDF document text
- http://ralomefin.epizy.com/68051719849.pdfIn PDF document text
- http://dikivila.epizy.com/love_wallpaper_wallpaper_cave._com.pdfIn PDF document text
- http://revosikokupefar.rf.gd/why_is_the_sound_not_working_on_my_rca_tv.pdfIn PDF document text
- http://fuvamawijivef.atwebpages.com/31255718529.pdfIn PDF document text
- http://wibexojul.rf.gd/kenmore_vacuum_parts_model_116_hose.pdfIn PDF document text
- https://s3.amazonaws.com/bizamesuwepe/wulikepuxitikobigufilog.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_off0000ea86.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA86 | 5544 bytes |
SHA-256: 3008042f25e414c89d9c95b807dab6937cf3aa2c26f21a95c30b4c7281dd659e |
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font_01_sfnt_off0000fd9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD9F | 10864 bytes |
SHA-256: 370e38ae776d8d67da1517eca6ac90cf14f54c0bcd3bfbbd3bd3d0895a19159f |
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