MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that redirect to malicious infrastructure, specifically a URL associated with a redirector. The document body, though heavily obfuscated, contains text related to 'birthday wishes' and the malicious URL, suggesting a lure. The presence of numerous links to external PDFs, many hosted on Shopify, indicates a link farm designed to obscure the malicious redirector.
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.ru/pify?keyword=birthday+wishes+tamil+whatsapp+status In PDF document text
- http://files.radmtfitness.com/uploads/1/3/1/1/131164479/lajixexofutat-pinudefosis.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9850/5377/files/videjowaruwetisemodejoke.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6716/3302/files/dasikinexutevodu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7833/4117/files/42936894830.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/6711/7463/files/reddy_and_reddy_agronomy_book_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5117/9423/files/17410709575.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1829/5195/files/gededixigikezuxemob.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7214/3001/files/33505410572.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3942/4669/files/55978153901.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2326/9014/files/41245178358.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3398/4161/files/malayala_manorama_calendar_2020_september.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2083/6254/files/jekegabakadarinebu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0637/7632/files/adding_dissimilar_fractions_worksheets_grade_4.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://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
- http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004a0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4A0D | 5444 bytes |
SHA-256: 83b2902c73d7592f791cb35047530e81bfec2ba5f16345f15cdb7b04c41ab99c |
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font_01_sfnt_off00005c7d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C7D | 3720 bytes |
SHA-256: d0c9e33916e9e64e42e31bcf0d345f6c2fcd41735b1a34df0119bd0eb1094281 |
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font_02_sfnt_off000067e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67E0 | 9692 bytes |
SHA-256: e8090389592638dc0aee39976a8eef71138da7f249a62360ccf3acccb2db34b2 |
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font_03_sfnt_off00008946.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8946 | 7040 bytes |
SHA-256: 42fb12002fb63406534afb20b7cb8b953f3be5aaf82bb5def531e57f72533e60 |
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