MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple embedded links, with a critical heuristic firing indicating a redirector to known malicious infrastructure. The document body and heuristics suggest a lure for free downloads, likely leading to a phishing or malware download site. The ML classifier strongly supports the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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 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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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://ttraff.cc/pify?keyword=aew+fyter+fest+bleacher+report+live In PDF document text
- http://files.ecinspired.com/uploads/1/3/2/6/132681660/61552d591.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0009/4112/files/linus_and_lucy_piano_free_sheet_music.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5332/6241/files/cancer_de_mama_2020_oms.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1265/1170/files/libros_de_tecnologia_medica.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7208/6423/files/24565406954.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9262/3001/files/xajulazobokugesufavata.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8095/8617/files/tatuzifiso.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9096/8729/files/oblivion_imperial_corruption.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/4166/6710/files/54836873774.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6636/8935/files/59592429715.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0722/1661/files/sosuje.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7728/0671/files/historia_infantil_sobre_alimentao_saudavel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3708/2271/files/ana_airlines_fleet_information.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1478/2103/files/2587105495.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2504/6431/files/algebra_1_solving_inequalities_worksheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1509/2894/files/attachment_theory_adults.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007238.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7238 | 5488 bytes |
SHA-256: 06da941479e79024eb9051eba30f525f2c2e68d5c760debb0c72c284efe75875 |
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font_01_sfnt_off000084ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x84EA | 3120 bytes |
SHA-256: 2d1c02d7faeb7dad5af5d103f135926a0d4fd4e69f3a7da8959d46cf8e88466d |
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font_02_sfnt_off0000916d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x916D | 10528 bytes |
SHA-256: 123d2a3144961f5c25563f951956cde1435399a97d40100f1259868e93e933be |
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font_03_sfnt_off0000b5ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB5AC | 16272 bytes |
SHA-256: f62adf8fb5692fc5fca7aa3ff95018a63c1926e2473d8e1e5d1a911898b3fd9b |
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