MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was identified as malicious by multiple heuristics and an ML classifier, specifically flagged as a phishing trojan. It contains a large number of external links, many of which point to redirectors or SEO-optimized pages, indicating a link farm strategy. The primary malicious URL identified is https://bologen.ru/strik?utm_term=will+there+be+a+fourth+divergent+book, which is likely used to distribute further malicious content or phish users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://bologen.ru/strik?utm_term=will+there+be+a+fourth+divergent+book PDF link annotation
- https://cdn.sqhk.co/noruwotil/ggePi4C/liverpool_vs_bayern_munich_bleacher_report.pdfIn PDF document text
- http://bitcoinlearningcentre.online/best_spanish_books_in_englishoiv6w.pdfIn PDF document text
- http://specrazreshenie.com/intraoperative_awareness_guidelinejtvt0.pdfIn PDF document text
- https://cdn.sqhk.co/mujekesire/5kAqPjf/80170162713.pdfIn PDF document text
- http://xawegap.mywebcommunity.org/benjamin_graham_security_analysis_free_download.pdfIn PDF document text
- http://zipubezexupoka.mywebcommunity.org/etika_komunikasi_di_media_sosial.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/4f6acff5-2cce-4c21-8772-03a5f4de5776/calories_in_old_school_bagel_cafe.pdfIn PDF document text
- https://068ba8bc-08b0-4b68-8151-f3c59c7a5775.filesusr.com/ugd/5a4aad_87f6065e3a8742e7b7b744a7a858274a.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/liwara/citra_emulator_android_2018.pdfIn PDF document text
- https://s3.amazonaws.com/xupimaral/67662788529.pdfIn PDF document text
- https://s3.amazonaws.com/bejideba/despacito_lyrics_audio.pdfIn PDF document text
- https://s3.amazonaws.com/jedobufudajewu/is_the_book_little_fires_everywhere_based_on_a_true_story.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/44f5995b-6133-4b93-b110-df414a793241/what_schools_offer_real_estate_courses_near_me.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a10a528f-eb37-49bc-9092-089f2184f197/pirates_of_the_caribbean_up_is_down_flute_sheet_music.pdfIn PDF document text
- https://s3.amazonaws.com/batoragubukepo/fizolusunilovofijazevi.pdfIn PDF document text
- https://05491ccc-77c7-428b-9c25-74f2c6c50d4a.filesusr.com/ugd/d51d36_ca4d765879214b7abd39ad6848566e3a.pdf?index=trueIn PDF document text
- https://6998e30b-c911-4113-ab34-4c15204891c7.filesusr.com/ugd/429b25_57b868a1750f449f9593059352972e23.pdf?index=trueIn PDF document text
- https://d6236f05-450e-4b96-9875-1783d83c708b.filesusr.com/ugd/912de2_655c410eb7ae4aca9c40e88d3d6453d6.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/1e27ddfa-edd8-4d9d-8ef0-7491d7806294/madaripefotubedonenat.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5bc11534-4ec8-4122-bb64-33051c9a240f/kutivowatewokeforisewo.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_off0000eb3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB3B | 5268 bytes |
SHA-256: a5a2f66d8f8d86861a32383fd93cfcbf4c6fe6a762190263174f2b35385a7ce7 |
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font_01_sfnt_off0000fd36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD36 | 11148 bytes |
SHA-256: 0d59ea933e5a846315881648e50be768b130547b0de2f6a23520a87abf8fb1d9 |
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