MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a large number of embedded links, many of which point to Shopify domains hosting other PDFs, but one critical link directs to a known malicious redirector. The ML classifier strongly indicated maliciousness. The document body, though heavily obfuscated, contains the malicious URL and references to other PDF files, suggesting a link farm or redirection scheme designed to lead the user to malicious content.
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.cc/pify?keyword=brats+diet+pdf
- http://nudulotut.whd147.org/uploads/1/3/2/3/132303382/fegamafipod.pdf
- http://nalexen.bambus-produkte.info/uploads/1/3/0/7/130776661/111631.pdf
- http://files.concertinaman.net/uploads/1/3/1/4/131452840/xevowa.pdf
- http://files.jopatti.com/uploads/1/3/1/6/131607075/kegegas-gemaxex-vurux-bawezisof.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/koxumugude.pdf
- https://cdn.shopify.com/s/files/1/0434/2172/8919/files/25109969167.pdf
- https://cdn.shopify.com/s/files/1/0435/4015/2475/files/77470036205.pdf
- https://cdn.shopify.com/s/files/1/0433/6926/7354/files/jenigisumefokaseterozav.pdf
- https://cdn.shopify.com/s/files/1/0435/5116/2517/files/xigadega.pdf
- https://cdn.shopify.com/s/files/1/0434/2025/4375/files/romijawolepegifudevosebu.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/70277109097.pdf
- https://cdn.shopify.com/s/files/1/0429/2355/7030/files/zunuzurebewidud.pdf
- https://cdn.shopify.com/s/files/1/0428/9550/7622/files/tuvonisa.pdf
- https://cdn.shopify.com/s/files/1/0434/4964/7264/files/15015890108.pdf
- https://cdn.shopify.com/s/files/1/0431/6630/2376/files/nadiwativelu.pdf
- https://cdn.shopify.com/s/files/1/0440/5254/5701/files/calendario_laboral_2020_las_palmas_de_gran_canaria.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007735.bin40b7af58757077d536eb75175f824127d029394e142422e353a4e4a220042cde |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7735 | 5052 bytes |
font_01_sfnt_off00008874.bin3839c6e663ebcfb51730a0827784ef2fbb68dc709746e4732b402ccf62ae8200 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8874 | 10056 bytes |
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