MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains an embedded URI and a high-severity heuristic firing for a 'PDF_SEO_UTM_REDIRECTOR_LINK', both pointing to the URL https://gimoguvi.ru/strik. The document body, though heavily obfuscated, contains text related to 'how to make a cupcakes cake step by step', suggesting a lure to entice users to click the malicious link.
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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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://gimoguvi.ru/strik?utm_term=how+to+make+a+cupcakes+cake+step+by+step PDF link annotation
- https://cdn-cms.f-static.net/uploads/4368760/normal_6057ab16c2119.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393631/normal_6050661bae7c7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4460688/normal_602112112070b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380699/normal_604d0068df071.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4498994/normal_605bbd68dfe13.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387816/normal_604944913b158.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4402721/normal_6002b1c38fc36.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/dff1dcd7-2816-4f5c-9932-7f30f7888625/xunepadoki.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6e6b9642-ec8b-4f97-9188-84f96745e7c9/azar_grammar_workbook.pdfIn PDF document text
- https://s3.amazonaws.com/wutezigojuxi/hybridisation_of_atomic_orbitals.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3ce5b659-1f37-42bf-94c6-0ebde255f7a7/why_do_smoke_detectors_false_alarm.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/aac409bf-1701-476d-8ac3-c77abe8fbe18/master_harold_and_the_boys_characters.pdfIn PDF document text
- https://s3.amazonaws.com/lekizopiloref/functional_programming_in_javascript_example.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a3159f85-29b5-4bf3-9788-16b174ded3cc/25700314102.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0843ef1e-fcf8-41da-9bff-0d6c86485009/51828920631.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8f55e243-c401-464a-9a8f-5de5652ea6ef/noririsatesekelelifor.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/db47da5f-3906-4c42-b617-77d4b0b1ee72/how_many_pages_in_holding_up_the_universe.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dfa8d6ef-0ea2-44f8-bc22-a3d27724803b/algebra_1_chapter_5_assessment_book_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/aabe7d60-8435-46a8-b7f2-ad819e4f4839/92101778761.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/206605ca-1f12-4020-a9f3-f5a0ac31fbb9/58391316007.pdfIn PDF document text
- https://s3.amazonaws.com/wixanarer/bestwap_raazi_full_movie.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ece2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECE2 | 5040 bytes |
SHA-256: 4b4984fef83ed8ffbccea8dc4dc2ba311f92e032616c9307f481f102364d76ce |
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font_01_sfnt_off0000fe1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE1C | 11044 bytes |
SHA-256: 85c9d492a6ec784fe07fdc94f6d14cb54504b04e0b40a7071bb601462b8d7c22 |
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font_02_sfnt_off000123bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123BD | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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