MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded links, with a critical heuristic firing indicating a PDF link farm. One of the primary links points to a known malicious redirector. The document body, though heavily obfuscated, also contains the URL to the malicious redirector, suggesting an attempt to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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.com/pify?keyword=classification+of+entamoeba+histolytica+pdf In PDF document text
- http://files.framingidentity.org/uploads/1/3/0/8/130814644/xulitajepe.pdfIn PDF document text
- http://files.x-ovarvs.com/uploads/1/3/1/3/131379268/e65616055017.pdfIn PDF document text
- http://files.northrouttpreschool.com/uploads/1/3/0/9/130968994/tomotirewekawo.pdfIn PDF document text
- http://files.southlandfamilyclub.com/uploads/1/3/1/3/131379371/e862cb.pdfIn PDF document text
- http://files.bubbleytrinkets.com/uploads/1/3/0/7/130738823/2e674f4ea19c4e.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://cdn.shopify.com/s/files/1/0437/1854/1480/files/the_aptness_of_anger.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0818/0895/files/99628678892.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3137/9624/files/govikawaboxareli.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2441/4882/files/delatuwuxixagej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9255/7467/files/41712212800.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2816/9382/files/coordinate_geometry_formulas_for_jee_mains.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dedijadexurusefux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2256/4000/files/business_progress_report_sample.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9571/8040/files/82163675057.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8535/7463/files/31681306355.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2096/8358/files/daxofazi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3088/8094/files/basics_of_css.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/3415/7991/files/bayesian_point_estimation.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_off0000764b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x764B | 5352 bytes |
SHA-256: 698874677209c0f451b8b816494b324d5a4819859f932d35dca207fc31e0d167 |
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font_01_sfnt_off0000884f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x884F | 9888 bytes |
SHA-256: e8144eb5f97f6ba36799c10e64fc02b9d18145cdb5637ce2abb0a599d1ddbc8d |
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font_02_sfnt_off0000aa2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAA2D | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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