MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many pointing to Shopify domains hosting other PDFs, and one critical link to a known malicious redirector. This suggests a link farm or SEO manipulation tactic to distribute malicious content or redirect users to harmful sites. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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=android+one+moto+x4+vs+nexus+5x
- http://juduku.lakelehmanmetz.com/uploads/1/3/1/3/131380005/0a775aee38200.pdf
- http://files.audreyshopaz.com/uploads/1/3/0/7/130738859/rikutugolutu.pdf
- http://www.opentle.org
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0431/8806/0320/files/cash_app_apk.pdf
- https://cdn.shopify.com/s/files/1/0433/3663/0422/files/mifuju.pdf
- https://cdn.shopify.com/s/files/1/0428/2214/0063/files/28047229225.pdf
- https://cdn.shopify.com/s/files/1/0438/5187/4466/files/incubus_master_pdf_free_download.pdf
- https://cdn.shopify.com/s/files/1/0428/7548/6367/files/64032176986.pdf
- https://cdn.shopify.com/s/files/1/0433/4272/5275/files/lotevope.pdf
- https://cdn.shopify.com/s/files/1/0435/5365/2895/files/catarina_de_bragana_isabel_stilwell.pdf
- https://cdn.shopify.com/s/files/1/0433/8037/5704/files/fabusaxebuxug.pdf
- https://cdn.shopify.com/s/files/1/0434/3929/2577/files/barcode_reader_excel_spreadsheet.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://www.gnu.org/licenses/gpl.html
- http://scripts.sil.org/OFL
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_004_off000079dc.binea9f984720dedb812022318f4d8aa6af7a9ff00287081bd5dc123c4cc2847ac6 |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x79DC | 15608 bytes |
font_00_sfnt_off00006924.bin6b6fb0ff9bced15a5cc666464beb448d9d0f6602c47a538e0d93e601e77c6659 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6924 | 4940 bytes |
font_02_sfnt_off0000a49e.bin29787d2b8fc1de4d7844b0441b291fd481a5b89e194a52108e0fe10e1f20ec6d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA49E | 14292 bytes |
font_03_sfnt_off0000d211.bina542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD211 | 4324 bytes |
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